18731518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42379}}^1$

素因数の和:42411

約数の個数: 16

約数和(自身を含む): 32039280

約数和(自身を除く): 13307762

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42379, 84758, 550927, 720443, 1101854, 1440886, 9365759, 18731518]

約数ペア:

[(1, 18731518), (2, 9365759), (13, 1440886), (17, 1101854), (26, 720443), (34, 550927), (221, 84758), (442, 42379)]