18009928

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 35235000

約数和(自身を除く): 17225072

約数列:

[1, 2, 4, 8, 29, 58, 116, 149, 232, 298, 521, 596, 1042, 1192, 2084, 4168, 4321, 8642, 15109, 17284, 30218, 34568, 60436, 77629, 120872, 155258, 310516, 621032, 2251241, 4502482, 9004964, 18009928]

約数ペア:

[(1, 18009928), (2, 9004964), (4, 4502482), (8, 2251241), (29, 621032), (58, 310516), (116, 155258), (149, 120872), (232, 77629), (298, 60436), (521, 34568), (596, 30218), (1042, 17284), (1192, 15109), (2084, 8642), (4168, 4321)]