19201239

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15131}}^1$

素因数の和:15187

約数の個数: 16

約数和(自身を含む): 29053440

約数和(自身を除く): 9852201

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15131, 45393, 136179, 408537, 711157, 2133471, 6400413, 19201239]

約数ペア:

[(1, 19201239), (3, 6400413), (9, 2133471), (27, 711157), (47, 408537), (141, 136179), (423, 45393), (1269, 15131)]