19671417

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10559}}^1$

素因数の和:10594

約数の個数: 20

約数和(自身を含む): 30666240

約数和(自身を除く): 10994823

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10559, 31677, 95031, 242857, 285093, 728571, 855279, 2185713, 6557139, 19671417]

約数ペア:

[(1, 19671417), (3, 6557139), (9, 2185713), (23, 855279), (27, 728571), (69, 285093), (81, 242857), (207, 95031), (621, 31677), (1863, 10559)]