18914109

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 7088835

約数列:

[1, 3, 43, 129, 151, 453, 971, 2913, 6493, 19479, 41753, 125259, 146621, 439863, 6304703, 18914109]

約数ペア:

[(1, 18914109), (3, 6304703), (43, 439863), (129, 146621), (151, 125259), (453, 41753), (971, 19479), (2913, 6493)]