19928422

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3793}}^1$

素因数の和:3903

約数の個数: 16

約数和(自身を含む): 31141152

約数和(自身を除く): 11212730

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3793, 5254, 7586, 140341, 269303, 280682, 538606, 9964211, 19928422]

約数ペア:

[(1, 19928422), (2, 9964211), (37, 538606), (71, 280682), (74, 269303), (142, 140341), (2627, 7586), (3793, 5254)]