18457360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12143}}^1$

素因数の和:12175

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 26718320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12143, 24286, 48572, 60715, 97144, 121430, 194288, 230717, 242860, 461434, 485720, 922868, 971440, 1153585, 1845736, 2307170, 3691472, 4614340, 9228680, 18457360]

約数ペア:

[(1, 18457360), (2, 9228680), (4, 4614340), (5, 3691472), (8, 2307170), (10, 1845736), (16, 1153585), (19, 971440), (20, 922868), (38, 485720), (40, 461434), (76, 242860), (80, 230717), (95, 194288), (152, 121430), (190, 97144), (304, 60715), (380, 48572), (760, 24286), (1520, 12143)]