19694801

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 23253888

約数和(自身を除く): 3559087

約数列:

[1, 7, 41, 163, 287, 421, 1141, 2947, 6683, 17261, 46781, 68623, 120827, 480361, 2813543, 19694801]

約数ペア:

[(1, 19694801), (7, 2813543), (41, 480361), (163, 120827), (287, 68623), (421, 46781), (1141, 17261), (2947, 6683)]