18874713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43997}}^1$

素因数の和:44024

約数の個数: 16

約数和(自身を含む): 29566656

約数和(自身を除く): 10691943

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 43997, 131991, 483967, 571961, 1451901, 1715883, 6291571, 18874713]

約数ペア:

[(1, 18874713), (3, 6291571), (11, 1715883), (13, 1451901), (33, 571961), (39, 483967), (143, 131991), (429, 43997)]