19305903

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 6925137

約数列:

[1, 3, 107, 137, 321, 411, 439, 1317, 14659, 43977, 46973, 60143, 140919, 180429, 6435301, 19305903]

約数ペア:

[(1, 19305903), (3, 6435301), (107, 180429), (137, 140919), (321, 60143), (411, 46973), (439, 43977), (1317, 14659)]