19104021

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{15271}}^1$

素因数の和:15416

約数の個数: 12

約数和(自身を含む): 27795040

約数和(自身を除く): 8691019

約数列:

[1, 3, 9, 139, 417, 1251, 15271, 45813, 137439, 2122669, 6368007, 19104021]

約数ペア:

[(1, 19104021), (3, 6368007), (9, 2122669), (139, 137439), (417, 45813), (1251, 15271)]