18690959140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133506851}}^1$

素因数の和:133506867

約数の個数: 24

約数和(自身を含む): 44858302272

約数和(自身を除く): 26167343132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133506851, 267013702, 534027404, 667534255, 934547957, 1335068510, 1869095914, 2670137020, 3738191828, 4672739785, 9345479570, 18690959140]

約数ペア:

[(1, 18690959140), (2, 9345479570), (4, 4672739785), (5, 3738191828), (7, 2670137020), (10, 1869095914), (14, 1335068510), (20, 934547957), (28, 667534255), (35, 534027404), (70, 267013702), (140, 133506851)]