18979701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28627}}^1$

素因数の和:28660

約数の個数: 16

約数和(自身を含む): 28857024

約数和(自身を除く): 9877323

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28627, 85881, 372151, 486659, 1116453, 1459977, 6326567, 18979701]

約数ペア:

[(1, 18979701), (3, 6326567), (13, 1459977), (17, 1116453), (39, 486659), (51, 372151), (221, 85881), (663, 28627)]