20181306821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{4987}}^1\times {\mathrm{311291}}^1$

素因数の和:316291

約数の個数: 8

約数和(自身を含む): 21738142944

約数和(自身を除く): 1556836123

約数列:

[1, 13, 4987, 64831, 311291, 4046783, 1552408217, 20181306821]

約数ペア:

[(1, 20181306821), (13, 1552408217), (4987, 4046783), (64831, 311291)]