19487331

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37987}}^1$

素因数の和:38015

約数の個数: 16

約数和(自身を含む): 30390400

約数和(自身を除く): 10903069

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 37987, 113961, 341883, 721753, 1025649, 2165259, 6495777, 19487331]

約数ペア:

[(1, 19487331), (3, 6495777), (9, 2165259), (19, 1025649), (27, 721753), (57, 341883), (171, 113961), (513, 37987)]