18000739368

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^2\times {\mathrm{67189}}^1$

素因数の和:67323

約数の個数: 72

約数和(自身を含む): 49565055150

約数和(自身を除く): 31564315782

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 3721, 4392, 7442, 11163, 14884, 22326, 29768, 33489, 44652, 66978, 67189, 89304, 133956, 134378, 201567, 267912, 268756, 403134, 537512, 604701, 806268, 1209402, 1612536, 2418804, 4098529, 4837608, 8197058, 12295587, 16394116, 24591174, 32788232, 36886761, 49182348, 73773522, 98364696, 147547044, 250010269, 295094088, 500020538, 750030807, 1000041076, 1500061614, 2000082152, 2250092421, 3000123228, 4500184842, 6000246456, 9000369684, 18000739368]

約数ペア:

[(1, 18000739368), (2, 9000369684), (3, 6000246456), (4, 4500184842), (6, 3000123228), (8, 2250092421), (9, 2000082152), (12, 1500061614), (18, 1000041076), (24, 750030807), (36, 500020538), (61, 295094088), (72, 250010269), (122, 147547044), (183, 98364696), (244, 73773522), (366, 49182348), (488, 36886761), (549, 32788232), (732, 24591174), (1098, 16394116), (1464, 12295587), (2196, 8197058), (3721, 4837608), (4392, 4098529), (7442, 2418804), (11163, 1612536), (14884, 1209402), (22326, 806268), (29768, 604701), (33489, 537512), (44652, 403134), (66978, 268756), (67189, 267912), (89304, 201567), (133956, 134378)]