19480635

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1277}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 34966080

約数和(自身を除く): 15485445

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1277, 1695, 3051, 3831, 5085, 6385, 11493, 15255, 19155, 34479, 57465, 144301, 172395, 432903, 721505, 1298709, 2164515, 3896127, 6493545, 19480635]

約数ペア:

[(1, 19480635), (3, 6493545), (5, 3896127), (9, 2164515), (15, 1298709), (27, 721505), (45, 432903), (113, 172395), (135, 144301), (339, 57465), (565, 34479), (1017, 19155), (1277, 15255), (1695, 11493), (3051, 6385), (3831, 5085)]