19247517

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4721}}^1$

素因数の和:4881

約数の個数: 16

約数和(自身を含む): 28709760

約数和(自身を除く): 9462243

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4721, 14163, 42489, 127467, 712871, 2138613, 6415839, 19247517]

約数ペア:

[(1, 19247517), (3, 6415839), (9, 2138613), (27, 712871), (151, 127467), (453, 42489), (1359, 14163), (4077, 4721)]