18522147

素因数分解:

$3^1\times 7^2\times {\mathrm{126001}}^1$

素因数の和:126018

約数の個数: 12

約数和(自身を含む): 28728456

約数和(自身を除く): 10206309

約数列:

[1, 3, 7, 21, 49, 147, 126001, 378003, 882007, 2646021, 6174049, 18522147]

約数ペア:

[(1, 18522147), (3, 6174049), (7, 2646021), (21, 882007), (49, 378003), (147, 126001)]