18516740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4951}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 44924544

約数和(自身を除く): 26407804

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4951, 9902, 19804, 24755, 49510, 54461, 84167, 99020, 108922, 168334, 217844, 272305, 336668, 420835, 544610, 841670, 925837, 1089220, 1683340, 1851674, 3703348, 4629185, 9258370, 18516740]

約数ペア:

[(1, 18516740), (2, 9258370), (4, 4629185), (5, 3703348), (10, 1851674), (11, 1683340), (17, 1089220), (20, 925837), (22, 841670), (34, 544610), (44, 420835), (55, 336668), (68, 272305), (85, 217844), (110, 168334), (170, 108922), (187, 99020), (220, 84167), (340, 54461), (374, 49510), (748, 24755), (935, 19804), (1870, 9902), (3740, 4951)]