19659267

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1489}}^1$

素因数の和:1664

約数の個数: 20

約数和(自身を含む): 29567560

約数和(自身を除く): 9908293

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1489, 4401, 4467, 13203, 13401, 40203, 120609, 242707, 728121, 2184363, 6553089, 19659267]

約数ペア:

[(1, 19659267), (3, 6553089), (9, 2184363), (27, 728121), (81, 242707), (163, 120609), (489, 40203), (1467, 13401), (1489, 13203), (4401, 4467)]