18478207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 20990592

約数和(自身を除く): 2512385

約数列:

[1, 11, 37, 83, 407, 547, 913, 3071, 6017, 20239, 33781, 45401, 222629, 499411, 1679837, 18478207]

約数ペア:

[(1, 18478207), (11, 1679837), (37, 499411), (83, 222629), (407, 45401), (547, 33781), (913, 20239), (3071, 6017)]