18565239

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80369}}^1$

素因数の和:80390

約数の個数: 16

約数和(自身を含む): 30862080

約数和(自身を除く): 12296841

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80369, 241107, 562583, 884059, 1687749, 2652177, 6188413, 18565239]

約数ペア:

[(1, 18565239), (3, 6188413), (7, 2652177), (11, 1687749), (21, 884059), (33, 562583), (77, 241107), (231, 80369)]