18513740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132241}}^1$

素因数の和:132257

約数の個数: 24

約数和(自身を含む): 44433312

約数和(自身を除く): 25919572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132241, 264482, 528964, 661205, 925687, 1322410, 1851374, 2644820, 3702748, 4628435, 9256870, 18513740]

約数ペア:

[(1, 18513740), (2, 9256870), (4, 4628435), (5, 3702748), (7, 2644820), (10, 1851374), (14, 1322410), (20, 925687), (28, 661205), (35, 528964), (70, 264482), (140, 132241)]