18676413

素因数分解:

$3^4\times 7^1\times {\mathrm{32939}}^1$

素因数の和:32958

約数の個数: 20

約数和(自身を含む): 31885920

約数和(自身を除く): 13209507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32939, 98817, 230573, 296451, 691719, 889353, 2075157, 2668059, 6225471, 18676413]

約数ペア:

[(1, 18676413), (3, 6225471), (7, 2668059), (9, 2075157), (21, 889353), (27, 691719), (63, 296451), (81, 230573), (189, 98817), (567, 32939)]