20180726856

素因数分解:

$2^3\times 3^4\times {\mathrm{1597}}^1\times {\mathrm{19501}}^1$

素因数の和:21116

約数の個数: 80

約数和(自身を含む): 56563015740

約数和(自身を除く): 36382288884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1597, 3194, 4791, 6388, 9582, 12776, 14373, 19164, 19501, 28746, 38328, 39002, 43119, 57492, 58503, 78004, 86238, 114984, 117006, 129357, 156008, 172476, 175509, 234012, 258714, 344952, 351018, 468024, 517428, 526527, 702036, 1034856, 1053054, 1404072, 1579581, 2106108, 3159162, 4212216, 6318324, 12636648, 31143097, 62286194, 93429291, 124572388, 186858582, 249144776, 280287873, 373717164, 560575746, 747434328, 840863619, 1121151492, 1681727238, 2242302984, 2522590857, 3363454476, 5045181714, 6726908952, 10090363428, 20180726856]

約数ペア:

[(1, 20180726856), (2, 10090363428), (3, 6726908952), (4, 5045181714), (6, 3363454476), (8, 2522590857), (9, 2242302984), (12, 1681727238), (18, 1121151492), (24, 840863619), (27, 747434328), (36, 560575746), (54, 373717164), (72, 280287873), (81, 249144776), (108, 186858582), (162, 124572388), (216, 93429291), (324, 62286194), (648, 31143097), (1597, 12636648), (3194, 6318324), (4791, 4212216), (6388, 3159162), (9582, 2106108), (12776, 1579581), (14373, 1404072), (19164, 1053054), (19501, 1034856), (28746, 702036), (38328, 526527), (39002, 517428), (43119, 468024), (57492, 351018), (58503, 344952), (78004, 258714), (86238, 234012), (114984, 175509), (117006, 172476), (129357, 156008)]