19954774

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2203}}^1$

素因数の和:2859

約数の個数: 16

約数和(自身を含む): 34276608

約数和(自身を除く): 14321834

約数列:

[1, 2, 7, 14, 647, 1294, 2203, 4406, 4529, 9058, 15421, 30842, 1425341, 2850682, 9977387, 19954774]

約数ペア:

[(1, 19954774), (2, 9977387), (7, 2850682), (14, 1425341), (647, 30842), (1294, 15421), (2203, 9058), (4406, 4529)]