19286559

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4129}}^1$

素因数の和:4311

約数の個数: 16

約数和(自身を含む): 28744800

約数和(自身を除く): 9458241

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4129, 4671, 12387, 37161, 111483, 714317, 2142951, 6428853, 19286559]

約数ペア:

[(1, 19286559), (3, 6428853), (9, 2142951), (27, 714317), (173, 111483), (519, 37161), (1557, 12387), (4129, 4671)]