17941880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 44534880

約数和(自身を除く): 26593000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 337, 440, 484, 605, 674, 968, 1210, 1331, 1348, 1685, 2420, 2662, 2696, 3370, 3707, 4840, 5324, 6655, 6740, 7414, 10648, 13310, 13480, 14828, 18535, 26620, 29656, 37070, 40777, 53240, 74140, 81554, 148280, 163108, 203885, 326216, 407770, 448547, 815540, 897094, 1631080, 1794188, 2242735, 3588376, 4485470, 8970940, 17941880]

約数ペア:

[(1, 17941880), (2, 8970940), (4, 4485470), (5, 3588376), (8, 2242735), (10, 1794188), (11, 1631080), (20, 897094), (22, 815540), (40, 448547), (44, 407770), (55, 326216), (88, 203885), (110, 163108), (121, 148280), (220, 81554), (242, 74140), (337, 53240), (440, 40777), (484, 37070), (605, 29656), (674, 26620), (968, 18535), (1210, 14828), (1331, 13480), (1348, 13310), (1685, 10648), (2420, 7414), (2662, 6740), (2696, 6655), (3370, 5324), (3707, 4840)]