19965361

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 23154768

約数和(自身を除く): 3189407

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1481, 13481, 19253, 25177, 90341, 327301, 1174433, 1535797, 19965361]

約数ペア:

[(1, 19965361), (13, 1535797), (17, 1174433), (61, 327301), (221, 90341), (793, 25177), (1037, 19253), (1481, 13481)]