18020189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 20866560

約数和(自身を除く): 2846371

約数列:

[1, 11, 19, 151, 209, 571, 1661, 2869, 6281, 10849, 31559, 86221, 119339, 948431, 1638199, 18020189]

約数ペア:

[(1, 18020189), (11, 1638199), (19, 948431), (151, 119339), (209, 86221), (571, 31559), (1661, 10849), (2869, 6281)]