18904273921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6579977}}^1$

素因数の和:6580020

約数の個数: 12

約数和(自身を含む): 21674447532

約数和(自身を除く): 2770173611

約数列:

[1, 13, 17, 169, 221, 2873, 6579977, 85539701, 111859609, 1112016113, 1454174917, 18904273921]

約数ペア:

[(1, 18904273921), (13, 1454174917), (17, 1112016113), (169, 111859609), (221, 85539701), (2873, 6579977)]