19656567

素因数分解:

$3^3\times 7^1\times {\mathrm{104003}}^1$

素因数の和:104019

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 13624713

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 104003, 312009, 728021, 936027, 2184063, 2808081, 6552189, 19656567]

約数ペア:

[(1, 19656567), (3, 6552189), (7, 2808081), (9, 2184063), (21, 936027), (27, 728021), (63, 312009), (189, 104003)]