19664169

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 30594240

約数和(自身を除く): 10930071

約数列:

[1, 3, 7, 21, 59, 177, 269, 413, 807, 1239, 1883, 3481, 5649, 10443, 15871, 24367, 47613, 73101, 111097, 333291, 936389, 2809167, 6554723, 19664169]

約数ペア:

[(1, 19664169), (3, 6554723), (7, 2809167), (21, 936389), (59, 333291), (177, 111097), (269, 73101), (413, 47613), (807, 24367), (1239, 15871), (1883, 10443), (3481, 5649)]