18657010

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3581}}^1$

素因数の和:4109

約数の個数: 16

約数和(自身を含む): 33656472

約数和(自身を除く): 14999462

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 3581, 5210, 7162, 17905, 35810, 1865701, 3731402, 9328505, 18657010]

約数ペア:

[(1, 18657010), (2, 9328505), (5, 3731402), (10, 1865701), (521, 35810), (1042, 17905), (2605, 7162), (3581, 5210)]