19716740

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2111}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 41513472

約数和(自身を除く): 21796732

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2111, 2335, 4222, 4670, 8444, 9340, 10555, 21110, 42220, 985837, 1971674, 3943348, 4929185, 9858370, 19716740]

約数ペア:

[(1, 19716740), (2, 9858370), (4, 4929185), (5, 3943348), (10, 1971674), (20, 985837), (467, 42220), (934, 21110), (1868, 10555), (2111, 9340), (2335, 8444), (4222, 4670)]