18722840

素因数分解:

$2^3\times 5^1\times {\mathrm{468071}}^1$

素因数の和:468082

約数の個数: 16

約数和(自身を含む): 42126480

約数和(自身を除く): 23403640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468071, 936142, 1872284, 2340355, 3744568, 4680710, 9361420, 18722840]

約数ペア:

[(1, 18722840), (2, 9361420), (4, 4680710), (5, 3744568), (8, 2340355), (10, 1872284), (20, 936142), (40, 468071)]