18741040

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{739}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 43769520

約数和(自身を除く): 25028480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 739, 1268, 1478, 1585, 2536, 2956, 3170, 3695, 5072, 5912, 6340, 7390, 11824, 12680, 14780, 25360, 29560, 59120, 234263, 468526, 937052, 1171315, 1874104, 2342630, 3748208, 4685260, 9370520, 18741040]

約数ペア:

[(1, 18741040), (2, 9370520), (4, 4685260), (5, 3748208), (8, 2342630), (10, 1874104), (16, 1171315), (20, 937052), (40, 468526), (80, 234263), (317, 59120), (634, 29560), (739, 25360), (1268, 14780), (1478, 12680), (1585, 11824), (2536, 7390), (2956, 6340), (3170, 5912), (3695, 5072)]