18559801

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 21352464

約数和(自身を除く): 2792663

約数列:

[1, 13, 17, 137, 221, 613, 1781, 2329, 7969, 10421, 30277, 83981, 135473, 1091753, 1427677, 18559801]

約数ペア:

[(1, 18559801), (13, 1427677), (17, 1091753), (137, 135473), (221, 83981), (613, 30277), (1781, 10421), (2329, 7969)]