18741261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81131}}^1$

素因数の和:81152

約数の個数: 16

約数和(自身を含む): 31154688

約数和(自身を除く): 12413427

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81131, 243393, 567917, 892441, 1703751, 2677323, 6247087, 18741261]

約数ペア:

[(1, 18741261), (3, 6247087), (7, 2677323), (11, 1703751), (21, 892441), (33, 567917), (77, 243393), (231, 81131)]