18676959

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2897}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 9885729

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2897, 6447, 8691, 20279, 60837, 889379, 2668137, 6225653, 18676959]

約数ペア:

[(1, 18676959), (3, 6225653), (7, 2668137), (21, 889379), (307, 60837), (921, 20279), (2149, 8691), (2897, 6447)]