19965029

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3560

約数の個数: 16

約数和(自身を含む): 24583680

約数和(自身を除く): 4618651

約数列:

[1, 7, 19, 43, 133, 301, 817, 3491, 5719, 24437, 66329, 150113, 464303, 1050791, 2852147, 19965029]

約数ペア:

[(1, 19965029), (7, 2852147), (19, 1050791), (43, 464303), (133, 150113), (301, 66329), (817, 24437), (3491, 5719)]