19228781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2861}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 3850387

約数列:

[1, 11, 13, 47, 143, 517, 611, 2861, 6721, 31471, 37193, 134467, 409123, 1479137, 1748071, 19228781]

約数ペア:

[(1, 19228781), (11, 1748071), (13, 1479137), (47, 409123), (143, 134467), (517, 37193), (611, 31471), (2861, 6721)]