18963173929

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{488729}}^1$

素因数の和:489000

約数の個数: 16

約数和(自身を含む): 22708350720

約数和(自身を除く): 3745176791

約数列:

[1, 7, 23, 161, 241, 1687, 5543, 38801, 488729, 3421103, 11240767, 78685369, 117783689, 824485823, 2709024847, 18963173929]

約数ペア:

[(1, 18963173929), (7, 2709024847), (23, 824485823), (161, 117783689), (241, 78685369), (1687, 11240767), (5543, 3421103), (38801, 488729)]