19327580

素因数分解:

$2^2\times 5^1\times {\mathrm{966379}}^1$

素因数の和:966388

約数の個数: 12

約数和(自身を含む): 40587960

約数和(自身を除く): 21260380

約数列:

[1, 2, 4, 5, 10, 20, 966379, 1932758, 3865516, 4831895, 9663790, 19327580]

約数ペア:

[(1, 19327580), (2, 9663790), (4, 4831895), (5, 3865516), (10, 1932758), (20, 966379)]