19816049

素因数分解:

${\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:832

約数の個数: 12

約数和(自身を含む): 21889140

約数和(自身を除く): 2073091

約数列:

[1, 11, 121, 389, 421, 4279, 4631, 47069, 50941, 163769, 1801459, 19816049]

約数ペア:

[(1, 19816049), (11, 1801459), (121, 163769), (389, 50941), (421, 47069), (4279, 4631)]