18377480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3797}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 45462060

約数和(自身を除く): 27084580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3797, 4840, 7594, 15188, 18985, 30376, 37970, 41767, 75940, 83534, 151880, 167068, 208835, 334136, 417670, 459437, 835340, 918874, 1670680, 1837748, 2297185, 3675496, 4594370, 9188740, 18377480]

約数ペア:

[(1, 18377480), (2, 9188740), (4, 4594370), (5, 3675496), (8, 2297185), (10, 1837748), (11, 1670680), (20, 918874), (22, 835340), (40, 459437), (44, 417670), (55, 334136), (88, 208835), (110, 167068), (121, 151880), (220, 83534), (242, 75940), (440, 41767), (484, 37970), (605, 30376), (968, 18985), (1210, 15188), (2420, 7594), (3797, 4840)]