190013620

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{5861}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 399342888

約数和(自身を除く): 209329268

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 5861, 6484, 8105, 11722, 16210, 23444, 29305, 32420, 58610, 117220, 9500681, 19001362, 38002724, 47503405, 95006810, 190013620]

約数ペア:

[(1, 190013620), (2, 95006810), (4, 47503405), (5, 38002724), (10, 19001362), (20, 9500681), (1621, 117220), (3242, 58610), (5861, 32420), (6484, 29305), (8105, 23444), (11722, 16210)]