18444867

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2861}}^1$

素因数の和:3178

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 9763005

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2861, 6447, 8583, 20027, 60081, 878327, 2634981, 6148289, 18444867]

約数ペア:

[(1, 18444867), (3, 6148289), (7, 2634981), (21, 878327), (307, 60081), (921, 20027), (2149, 8583), (2861, 6447)]