18508749705

素因数分解:

$3^2\times 5^1\times {\mathrm{411305549}}^1$

素因数の和:411305560

約数の個数: 12

約数和(自身を含む): 32081832900

約数和(自身を除く): 13573083195

約数列:

[1, 3, 5, 9, 15, 45, 411305549, 1233916647, 2056527745, 3701749941, 6169583235, 18508749705]

約数ペア:

[(1, 18508749705), (3, 6169583235), (5, 3701749941), (9, 2056527745), (15, 1233916647), (45, 411305549)]