19647173

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5084

約数の個数: 16

約数和(自身を含む): 24748416

約数和(自身を除く): 5101243

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5021, 35147, 65273, 215903, 456911, 1511321, 2806739, 19647173]

約数ペア:

[(1, 19647173), (7, 2806739), (13, 1511321), (43, 456911), (91, 215903), (301, 65273), (559, 35147), (3913, 5021)]