18187447681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20881111}}^1$

素因数の和:20881191

約数の個数: 8

約数和(自身を含む): 19878818624

約数和(自身を除く): 1691370943

約数列:

[1, 13, 67, 871, 20881111, 271454443, 1399034437, 18187447681]

約数ペア:

[(1, 18187447681), (13, 1399034437), (67, 271454443), (871, 20881111)]