19659226

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 29958696

約数和(自身を除く): 10299470

約数列:

[1, 2, 137, 157, 274, 314, 457, 914, 21509, 43018, 62609, 71749, 125218, 143498, 9829613, 19659226]

約数ペア:

[(1, 19659226), (2, 9829613), (137, 143498), (157, 125218), (274, 71749), (314, 62609), (457, 43018), (914, 21509)]