18620185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 5139815

約数列:

[1, 5, 17, 85, 439, 499, 2195, 2495, 7463, 8483, 37315, 42415, 219061, 1095305, 3724037, 18620185]

約数ペア:

[(1, 18620185), (5, 3724037), (17, 1095305), (85, 219061), (439, 42415), (499, 37315), (2195, 8483), (2495, 7463)]