19715427

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42953}}^1$

素因数の和:42979

約数の個数: 16

約数和(自身を含む): 30926880

約数和(自身を除く): 11211453

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42953, 128859, 386577, 730201, 1159731, 2190603, 6571809, 19715427]

約数ペア:

[(1, 19715427), (3, 6571809), (9, 2190603), (17, 1159731), (27, 730201), (51, 386577), (153, 128859), (459, 42953)]