19807804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{260629}}^1$

素因数の和:260652

約数の個数: 12

約数和(自身を含む): 36488200

約数和(自身を除く): 16680396

約数列:

[1, 2, 4, 19, 38, 76, 260629, 521258, 1042516, 4951951, 9903902, 19807804]

約数ペア:

[(1, 19807804), (2, 9903902), (4, 4951951), (19, 1042516), (38, 521258), (76, 260629)]