2019978235

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{3338807}}^1$

素因数の和:3338834

約数の個数: 12

約数和(自身を含む): 2664368784

約数和(自身を除く): 644390549

約数列:

[1, 5, 11, 55, 121, 605, 3338807, 16694035, 36726877, 183634385, 403995647, 2019978235]

約数ペア:

[(1, 2019978235), (5, 403995647), (11, 183634385), (55, 36726877), (121, 16694035), (605, 3338807)]