18763840

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 45061632

約数和(自身を除く): 26297792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 307, 320, 382, 614, 764, 955, 1228, 1528, 1535, 1910, 2456, 3056, 3070, 3820, 4912, 6112, 6140, 7640, 9824, 12224, 12280, 15280, 19648, 24560, 30560, 49120, 58637, 61120, 98240, 117274, 234548, 293185, 469096, 586370, 938192, 1172740, 1876384, 2345480, 3752768, 4690960, 9381920, 18763840]

約数ペア:

[(1, 18763840), (2, 9381920), (4, 4690960), (5, 3752768), (8, 2345480), (10, 1876384), (16, 1172740), (20, 938192), (32, 586370), (40, 469096), (64, 293185), (80, 234548), (160, 117274), (191, 98240), (307, 61120), (320, 58637), (382, 49120), (614, 30560), (764, 24560), (955, 19648), (1228, 15280), (1528, 12280), (1535, 12224), (1910, 9824), (2456, 7640), (3056, 6140), (3070, 6112), (3820, 4912)]