16638680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21893}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 39409200

約数和(自身を除く): 22770520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21893, 43786, 87572, 109465, 175144, 218930, 415967, 437860, 831934, 875720, 1663868, 2079835, 3327736, 4159670, 8319340, 16638680]

約数ペア:

[(1, 16638680), (2, 8319340), (4, 4159670), (5, 3327736), (8, 2079835), (10, 1663868), (19, 875720), (20, 831934), (38, 437860), (40, 415967), (76, 218930), (95, 175144), (152, 109465), (190, 87572), (380, 43786), (760, 21893)]