18537239

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{2539}}^1$

素因数の和:2702

約数の個数: 12

約数和(自身を含む): 21717000

約数和(自身を除く): 3179761

約数列:

[1, 7, 49, 149, 1043, 2539, 7301, 17773, 124411, 378311, 2648177, 18537239]

約数ペア:

[(1, 18537239), (7, 2648177), (49, 378311), (149, 124411), (1043, 17773), (2539, 7301)]