18811359

素因数分解:

$3^5\times 7^1\times {\mathrm{11059}}^1$

素因数の和:11081

約数の個数: 24

約数和(自身を含む): 32206720

約数和(自身を除く): 13395361

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11059, 33177, 77413, 99531, 232239, 298593, 696717, 895779, 2090151, 2687337, 6270453, 18811359]

約数ペア:

[(1, 18811359), (3, 6270453), (7, 2687337), (9, 2090151), (21, 895779), (27, 696717), (63, 298593), (81, 232239), (189, 99531), (243, 77413), (567, 33177), (1701, 11059)]