18659220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{310987}}^1$

素因数の和:310999

約数の個数: 24

約数和(自身を含む): 52245984

約数和(自身を除く): 33586764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 310987, 621974, 932961, 1243948, 1554935, 1865922, 3109870, 3731844, 4664805, 6219740, 9329610, 18659220]

約数ペア:

[(1, 18659220), (2, 9329610), (3, 6219740), (4, 4664805), (5, 3731844), (6, 3109870), (10, 1865922), (12, 1554935), (15, 1243948), (20, 932961), (30, 621974), (60, 310987)]