19417239

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4523}}^1$

素因数の和:4588

約数の個数: 20

約数和(自身を含む): 29559816

約数和(自身を除く): 10142577

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4523, 13569, 40707, 122121, 239719, 366363, 719157, 2157471, 6472413, 19417239]

約数ペア:

[(1, 19417239), (3, 6472413), (9, 2157471), (27, 719157), (53, 366363), (81, 239719), (159, 122121), (477, 40707), (1431, 13569), (4293, 4523)]