18377740

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1499}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 38682000

約数和(自身を除く): 20304260

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1499, 2452, 2998, 3065, 5996, 6130, 7495, 12260, 14990, 29980, 918887, 1837774, 3675548, 4594435, 9188870, 18377740]

約数ペア:

[(1, 18377740), (2, 9188870), (4, 4594435), (5, 3675548), (10, 1837774), (20, 918887), (613, 29980), (1226, 14990), (1499, 12260), (2452, 7495), (2998, 6130), (3065, 5996)]