19849403

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 23201280

約数和(自身を除く): 3351877

約数列:

[1, 7, 89, 151, 211, 623, 1057, 1477, 13439, 18779, 31861, 94073, 131453, 223027, 2835629, 19849403]

約数ペア:

[(1, 19849403), (7, 2835629), (89, 223027), (151, 131453), (211, 94073), (623, 31861), (1057, 18779), (1477, 13439)]