20189780818

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1\times {\mathrm{139801}}^1$

素因数の和:140409

約数の個数: 16

約数和(自身を含む): 30539467296

約数和(自身を除く): 10349686478

約数列:

[1, 2, 163, 326, 443, 886, 72209, 139801, 144418, 279602, 22787563, 45575126, 61931843, 123863686, 10094890409, 20189780818]

約数ペア:

[(1, 20189780818), (2, 10094890409), (163, 123863686), (326, 61931843), (443, 45575126), (886, 22787563), (72209, 279602), (139801, 144418)]