18539031

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5623}}^1$

素因数の和:5790

約数の個数: 16

約数和(自身を含む): 28434944

約数和(自身を除く): 9895913

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 5623, 16869, 39361, 118083, 882811, 2648433, 6179677, 18539031]

約数ペア:

[(1, 18539031), (3, 6179677), (7, 2648433), (21, 882811), (157, 118083), (471, 39361), (1099, 16869), (3297, 5623)]