19188700

素因数分解:

$2^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{617}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 41841072

約数和(自身を除く): 22652372

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 311, 617, 622, 1234, 1244, 1555, 2468, 3085, 3110, 6170, 6220, 7775, 12340, 15425, 15550, 30850, 31100, 61700, 191887, 383774, 767548, 959435, 1918870, 3837740, 4797175, 9594350, 19188700]

約数ペア:

[(1, 19188700), (2, 9594350), (4, 4797175), (5, 3837740), (10, 1918870), (20, 959435), (25, 767548), (50, 383774), (100, 191887), (311, 61700), (617, 31100), (622, 30850), (1234, 15550), (1244, 15425), (1555, 12340), (2468, 7775), (3085, 6220), (3110, 6170)]