18987317

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{15731}}^1$

素因数の和:15819

約数の個数: 8

約数和(自身を含む): 20388672

約数和(自身を除く): 1401355

約数列:

[1, 17, 71, 1207, 15731, 267427, 1116901, 18987317]

約数ペア:

[(1, 18987317), (17, 1116901), (71, 267427), (1207, 15731)]