18607239

素因数分解:

$3^5\times 7^1\times {\mathrm{10939}}^1$

素因数の和:10961

約数の個数: 24

約数和(自身を含む): 31857280

約数和(自身を除く): 13250041

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 10939, 32817, 76573, 98451, 229719, 295353, 689157, 886059, 2067471, 2658177, 6202413, 18607239]

約数ペア:

[(1, 18607239), (3, 6202413), (7, 2658177), (9, 2067471), (21, 886059), (27, 689157), (63, 295353), (81, 229719), (189, 98451), (243, 76573), (567, 32817), (1701, 10939)]