18811251

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16993}}^1$

素因数の和:17043

約数の個数: 16

約数和(自身を含む): 28549920

約数和(自身を除く): 9738669

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16993, 50979, 152937, 458811, 696713, 2090139, 6270417, 18811251]

約数ペア:

[(1, 18811251), (3, 6270417), (9, 2090139), (27, 696713), (41, 458811), (123, 152937), (369, 50979), (1107, 16993)]