2018680981

素因数分解:

${\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{638621}}^1$

素因数の和:638759

約数の個数: 8

約数和(自身を含む): 2107452600

約数和(自身を除く): 88771619

約数列:

[1, 29, 109, 3161, 638621, 18520009, 69609689, 2018680981]

約数ペア:

[(1, 2018680981), (29, 69609689), (109, 18520009), (3161, 638621)]