18704589

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{883}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 26138112

約数和(自身を除く): 7433523

約数列:

[1, 3, 23, 69, 307, 883, 921, 2649, 7061, 20309, 21183, 60927, 271081, 813243, 6234863, 18704589]

約数ペア:

[(1, 18704589), (3, 6234863), (23, 813243), (69, 271081), (307, 60927), (883, 21183), (921, 20309), (2649, 7061)]