18163767

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{3929}}^1$

素因数の和:4022

約数の個数: 16

約数和(自身を含む): 25655040

約数和(自身を除く): 7491273

約数列:

[1, 3, 23, 67, 69, 201, 1541, 3929, 4623, 11787, 90367, 263243, 271101, 789729, 6054589, 18163767]

約数ペア:

[(1, 18163767), (3, 6054589), (23, 789729), (67, 271101), (69, 263243), (201, 90367), (1541, 11787), (3929, 4623)]