19787677

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12791}}^1$

素因数の和:12828

約数の個数: 16

約数和(自身を含む): 25788672

約数和(自身を除く): 6000995

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12791, 89537, 166283, 217447, 1163981, 1522129, 2826811, 19787677]

約数ペア:

[(1, 19787677), (7, 2826811), (13, 1522129), (17, 1163981), (91, 217447), (119, 166283), (221, 89537), (1547, 12791)]