18437431628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{53881}}^1$

素因数の和:54015

約数の個数: 72

約数和(自身を含む): 40933939872

約数和(自身を除く): 22496508244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 121, 154, 202, 242, 308, 404, 484, 707, 847, 1111, 1414, 1694, 2222, 2828, 3388, 4444, 7777, 12221, 15554, 24442, 31108, 48884, 53881, 85547, 107762, 171094, 215524, 342188, 377167, 592691, 754334, 1185382, 1508668, 2370764, 4148837, 5441981, 6519601, 8297674, 10883962, 13039202, 16595348, 21767924, 26078404, 38093867, 45637207, 59861791, 76187734, 91274414, 119723582, 152375468, 182548828, 239447164, 419032537, 658479701, 838065074, 1316959402, 1676130148, 2633918804, 4609357907, 9218715814, 18437431628]

約数ペア:

[(1, 18437431628), (2, 9218715814), (4, 4609357907), (7, 2633918804), (11, 1676130148), (14, 1316959402), (22, 838065074), (28, 658479701), (44, 419032537), (77, 239447164), (101, 182548828), (121, 152375468), (154, 119723582), (202, 91274414), (242, 76187734), (308, 59861791), (404, 45637207), (484, 38093867), (707, 26078404), (847, 21767924), (1111, 16595348), (1414, 13039202), (1694, 10883962), (2222, 8297674), (2828, 6519601), (3388, 5441981), (4444, 4148837), (7777, 2370764), (12221, 1508668), (15554, 1185382), (24442, 754334), (31108, 592691), (48884, 377167), (53881, 342188), (85547, 215524), (107762, 171094)]