18645220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84751}}^1$

素因数の和:84771

約数の個数: 24

約数和(自身を含む): 42715008

約数和(自身を除く): 24069788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84751, 169502, 339004, 423755, 847510, 932261, 1695020, 1864522, 3729044, 4661305, 9322610, 18645220]

約数ペア:

[(1, 18645220), (2, 9322610), (4, 4661305), (5, 3729044), (10, 1864522), (11, 1695020), (20, 932261), (22, 847510), (44, 423755), (55, 339004), (110, 169502), (220, 84751)]