18678081

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 7062207

約数列:

[1, 3, 37, 111, 191, 573, 881, 2643, 7067, 21201, 32597, 97791, 168271, 504813, 6226027, 18678081]

約数ペア:

[(1, 18678081), (3, 6226027), (37, 504813), (111, 168271), (191, 97791), (573, 32597), (881, 21201), (2643, 7067)]