19837953

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4621}}^1$

素因数の和:4686

約数の個数: 20

約数和(自身を含む): 30200148

約数和(自身を除く): 10362195

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4621, 13863, 41589, 124767, 244913, 374301, 734739, 2204217, 6612651, 19837953]

約数ペア:

[(1, 19837953), (3, 6612651), (9, 2204217), (27, 734739), (53, 374301), (81, 244913), (159, 124767), (477, 41589), (1431, 13863), (4293, 4621)]