18320237

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 21994560

約数和(自身を除く): 3674323

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4363, 56719, 74171, 82897, 964223, 1077661, 1409249, 18320237]

約数ペア:

[(1, 18320237), (13, 1409249), (17, 1077661), (19, 964223), (221, 82897), (247, 74171), (323, 56719), (4199, 4363)]