2018992912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 4139020800

約数和(自身を除く): 2120027888

約数列:

[1, 2, 4, 8, 16, 37, 47, 74, 94, 148, 149, 188, 296, 298, 376, 487, 592, 596, 752, 974, 1192, 1739, 1948, 2384, 3478, 3896, 5513, 6956, 7003, 7792, 11026, 13912, 14006, 18019, 22052, 22889, 27824, 28012, 36038, 44104, 45778, 56024, 72076, 72563, 88208, 91556, 112048, 144152, 145126, 183112, 259111, 288304, 290252, 366224, 518222, 580504, 846893, 1036444, 1161008, 1693786, 2072888, 2684831, 3387572, 3410461, 4145776, 5369662, 6775144, 6820922, 10739324, 13550288, 13641844, 21478648, 27283688, 42957296, 54567376, 126187057, 252374114, 504748228, 1009496456, 2018992912]

約数ペア:

[(1, 2018992912), (2, 1009496456), (4, 504748228), (8, 252374114), (16, 126187057), (37, 54567376), (47, 42957296), (74, 27283688), (94, 21478648), (148, 13641844), (149, 13550288), (188, 10739324), (296, 6820922), (298, 6775144), (376, 5369662), (487, 4145776), (592, 3410461), (596, 3387572), (752, 2684831), (974, 2072888), (1192, 1693786), (1739, 1161008), (1948, 1036444), (2384, 846893), (3478, 580504), (3896, 518222), (5513, 366224), (6956, 290252), (7003, 288304), (7792, 259111), (11026, 183112), (13912, 145126), (14006, 144152), (18019, 112048), (22052, 91556), (22889, 88208), (27824, 72563), (28012, 72076), (36038, 56024), (44104, 45778)]