18789972

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 45374784

約数和(自身を除く): 26584812

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 181, 211, 246, 362, 422, 492, 543, 633, 724, 844, 1086, 1266, 2172, 2532, 7421, 8651, 14842, 17302, 22263, 25953, 29684, 34604, 38191, 44526, 51906, 76382, 89052, 103812, 114573, 152764, 229146, 458292, 1565831, 3131662, 4697493, 6263324, 9394986, 18789972]

約数ペア:

[(1, 18789972), (2, 9394986), (3, 6263324), (4, 4697493), (6, 3131662), (12, 1565831), (41, 458292), (82, 229146), (123, 152764), (164, 114573), (181, 103812), (211, 89052), (246, 76382), (362, 51906), (422, 44526), (492, 38191), (543, 34604), (633, 29684), (724, 25953), (844, 22263), (1086, 17302), (1266, 14842), (2172, 8651), (2532, 7421)]