18252020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31469}}^1$

素因数の和:31507

約数の個数: 24

約数和(自身を含む): 39652200

約数和(自身を除く): 21400180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31469, 62938, 125876, 157345, 314690, 629380, 912601, 1825202, 3650404, 4563005, 9126010, 18252020]

約数ペア:

[(1, 18252020), (2, 9126010), (4, 4563005), (5, 3650404), (10, 1825202), (20, 912601), (29, 629380), (58, 314690), (116, 157345), (145, 125876), (290, 62938), (580, 31469)]