18275660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5407}}^1$

素因数の和:5442

約数の個数: 36

約数和(自身を含む): 41565888

約数和(自身を除く): 23290228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5407, 10814, 21628, 27035, 54070, 70291, 108140, 140582, 281164, 351455, 702910, 913783, 1405820, 1827566, 3655132, 4568915, 9137830, 18275660]

約数ペア:

[(1, 18275660), (2, 9137830), (4, 4568915), (5, 3655132), (10, 1827566), (13, 1405820), (20, 913783), (26, 702910), (52, 351455), (65, 281164), (130, 140582), (169, 108140), (260, 70291), (338, 54070), (676, 27035), (845, 21628), (1690, 10814), (3380, 5407)]