18 - The Order of Magnitude of Arithmetical Functions

Table of contents

• 18.1 The Order of d(n)
• 18.2 The Average Order of d(n)
• 18.3 The Order of \sigma(n)
• 18.4 The Order of \phi(n)
• 18.5 The Average Order of \phi(n)
• 18.6 The Number of Quadratfrei Numbers
• 18.7 The Order of r(n)

18.1 The Order of $d(n)$

18.2 The Average Order of $d(n)$

18.3 The Order of $\sigma (n)$

18.4 The Order of $\varphi (n)$

18.5 The Average Order of $\varphi (n)$

18.6 The Number of Quadratfrei Numbers

18.7 The Order of $r(n)$