19944986

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:677

約数の個数: 16

約数和(自身を含む): 30355008

約数和(自身を除く): 10410022

約数列:

[1, 2, 151, 211, 302, 313, 422, 626, 31861, 47263, 63722, 66043, 94526, 132086, 9972493, 19944986]

約数ペア:

[(1, 19944986), (2, 9972493), (151, 132086), (211, 94526), (302, 66043), (313, 63722), (422, 47263), (626, 31861)]