18724540

素因数分解:

$2^2\times 5^1\times {\mathrm{936227}}^1$

素因数の和:936236

約数の個数: 12

約数和(自身を含む): 39321576

約数和(自身を除く): 20597036

約数列:

[1, 2, 4, 5, 10, 20, 936227, 1872454, 3744908, 4681135, 9362270, 18724540]

約数ペア:

[(1, 18724540), (2, 9362270), (4, 4681135), (5, 3744908), (10, 1872454), (20, 936227)]