18416072020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15095141}}^1$

素因数の和:15095211

約数の個数: 24

約数和(自身を含む): 39307749768

約数和(自身を除く): 20891677748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15095141, 30190282, 60380564, 75475705, 150951410, 301902820, 920803601, 1841607202, 3683214404, 4604018005, 9208036010, 18416072020]

約数ペア:

[(1, 18416072020), (2, 9208036010), (4, 4604018005), (5, 3683214404), (10, 1841607202), (20, 920803601), (61, 301902820), (122, 150951410), (244, 75475705), (305, 60380564), (610, 30190282), (1220, 15095141)]