18998242

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1847}}^1$

素因数の和:2025

約数の個数: 16

約数和(自身を含む): 29494080

約数和(自身を除く): 10495838

約数列:

[1, 2, 37, 74, 139, 278, 1847, 3694, 5143, 10286, 68339, 136678, 256733, 513466, 9499121, 18998242]

約数ペア:

[(1, 18998242), (2, 9499121), (37, 513466), (74, 256733), (139, 136678), (278, 68339), (1847, 10286), (3694, 5143)]