19664019

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42841}}^1$

素因数の和:42867

約数の個数: 16

約数和(自身を含む): 30846240

約数和(自身を除く): 11182221

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42841, 128523, 385569, 728297, 1156707, 2184891, 6554673, 19664019]

約数ペア:

[(1, 19664019), (3, 6554673), (9, 2184891), (17, 1156707), (27, 728297), (51, 385569), (153, 128523), (459, 42841)]