19038551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3329}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 23443200

約数和(自身を除く): 4404649

約数列:

[1, 7, 19, 43, 133, 301, 817, 3329, 5719, 23303, 63251, 143147, 442757, 1002029, 2719793, 19038551]

約数ペア:

[(1, 19038551), (7, 2719793), (19, 1002029), (43, 442757), (133, 143147), (301, 63251), (817, 23303), (3329, 5719)]