18001906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18713}}^1$

素因数の和:18765

約数の個数: 16

約数和(自身を含む): 29867544

約数和(自身を除く): 11865638

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 18713, 37426, 243269, 486538, 692381, 1384762, 9000953, 18001906]

約数ペア:

[(1, 18001906), (2, 9000953), (13, 1384762), (26, 692381), (37, 486538), (74, 243269), (481, 37426), (962, 18713)]