18516660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7177}}^1$

素因数の和:7232

約数の個数: 48

約数和(自身を含む): 53059776

約数和(自身を除く): 34543116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7177, 14354, 21531, 28708, 35885, 43062, 71770, 86124, 107655, 143540, 215310, 308611, 430620, 617222, 925833, 1234444, 1543055, 1851666, 3086110, 3703332, 4629165, 6172220, 9258330, 18516660]

約数ペア:

[(1, 18516660), (2, 9258330), (3, 6172220), (4, 4629165), (5, 3703332), (6, 3086110), (10, 1851666), (12, 1543055), (15, 1234444), (20, 925833), (30, 617222), (43, 430620), (60, 308611), (86, 215310), (129, 143540), (172, 107655), (215, 86124), (258, 71770), (430, 43062), (516, 35885), (645, 28708), (860, 21531), (1290, 14354), (2580, 7177)]