18551890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37861}}^1$

素因数の和:37882

約数の個数: 24

約数和(自身を含む): 38846412

約数和(自身を除く): 20294522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37861, 75722, 189305, 265027, 378610, 530054, 1325135, 1855189, 2650270, 3710378, 9275945, 18551890]

約数ペア:

[(1, 18551890), (2, 9275945), (5, 3710378), (7, 2650270), (10, 1855189), (14, 1325135), (35, 530054), (49, 378610), (70, 265027), (98, 189305), (245, 75722), (490, 37861)]