19979241

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{857}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 28142400

約数和(自身を除く): 8163159

約数列:

[1, 3, 19, 57, 409, 857, 1227, 2571, 7771, 16283, 23313, 48849, 350513, 1051539, 6659747, 19979241]

約数ペア:

[(1, 19979241), (3, 6659747), (19, 1051539), (57, 350513), (409, 48849), (857, 23313), (1227, 16283), (2571, 7771)]