18678569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 23275392

約数和(自身を除く): 4596823

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2473, 7553, 17311, 32149, 205259, 225043, 1436813, 2668367, 18678569]

約数ペア:

[(1, 18678569), (7, 2668367), (13, 1436813), (83, 225043), (91, 205259), (581, 32149), (1079, 17311), (2473, 7553)]