19171863

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{2971}}^1$

素因数の和:3219

約数の個数: 16

約数和(自身を含む): 28531200

約数和(自身を除く): 9359337

約数列:

[1, 3, 9, 27, 239, 717, 2151, 2971, 6453, 8913, 26739, 80217, 710069, 2130207, 6390621, 19171863]

約数ペア:

[(1, 19171863), (3, 6390621), (9, 2130207), (27, 710069), (239, 80217), (717, 26739), (2151, 8913), (2971, 6453)]