18906435

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13553}}^1$

素因数の和:13595

約数の個数: 24

約数和(自身を含む): 33830784

約数和(自身を除く): 14924349

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13553, 40659, 67765, 121977, 203295, 420143, 609885, 1260429, 2100715, 3781287, 6302145, 18906435]

約数ペア:

[(1, 18906435), (3, 6302145), (5, 3781287), (9, 2100715), (15, 1260429), (31, 609885), (45, 420143), (93, 203295), (155, 121977), (279, 67765), (465, 40659), (1395, 13553)]