18640420416

素因数分解:

$2^6\times 3^2\times {\mathrm{139}}^1\times {\mathrm{232819}}^1$

素因数の和:232976

約数の個数: 84

約数和(自身を含む): 53814014800

約数和(自身を除く): 35173594384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 139, 144, 192, 278, 288, 417, 556, 576, 834, 1112, 1251, 1668, 2224, 2502, 3336, 4448, 5004, 6672, 8896, 10008, 13344, 20016, 26688, 40032, 80064, 232819, 465638, 698457, 931276, 1396914, 1862552, 2095371, 2793828, 3725104, 4190742, 5587656, 7450208, 8381484, 11175312, 14900416, 16762968, 22350624, 32361841, 33525936, 44701248, 64723682, 67051872, 97085523, 129447364, 134103744, 194171046, 258894728, 291256569, 388342092, 517789456, 582513138, 776684184, 1035578912, 1165026276, 1553368368, 2071157824, 2330052552, 3106736736, 4660105104, 6213473472, 9320210208, 18640420416]

約数ペア:

[(1, 18640420416), (2, 9320210208), (3, 6213473472), (4, 4660105104), (6, 3106736736), (8, 2330052552), (9, 2071157824), (12, 1553368368), (16, 1165026276), (18, 1035578912), (24, 776684184), (32, 582513138), (36, 517789456), (48, 388342092), (64, 291256569), (72, 258894728), (96, 194171046), (139, 134103744), (144, 129447364), (192, 97085523), (278, 67051872), (288, 64723682), (417, 44701248), (556, 33525936), (576, 32361841), (834, 22350624), (1112, 16762968), (1251, 14900416), (1668, 11175312), (2224, 8381484), (2502, 7450208), (3336, 5587656), (4448, 4190742), (5004, 3725104), (6672, 2793828), (8896, 2095371), (10008, 1862552), (13344, 1396914), (20016, 931276), (26688, 698457), (40032, 465638), (80064, 232819)]