19903991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{22091}}^1$

素因数の和:22161

約数の個数: 8

約数和(自身を含む): 21473424

約数和(自身を除く): 1569433

約数列:

[1, 17, 53, 901, 22091, 375547, 1170823, 19903991]

約数ペア:

[(1, 19903991), (17, 1170823), (53, 375547), (901, 22091)]