18739953

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{29327}}^1$

素因数の和:29404

約数の個数: 12

約数和(自身を含む): 27451008

約数和(自身を除く): 8711055

約数列:

[1, 3, 9, 71, 213, 639, 29327, 87981, 263943, 2082217, 6246651, 18739953]

約数ペア:

[(1, 18739953), (3, 6246651), (9, 2082217), (71, 263943), (213, 87981), (639, 29327)]