19012147

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5039}}^1$

素因数の和:5071

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5179853

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5039, 35273, 55429, 246911, 388003, 1728377, 2716021, 19012147]

約数ペア:

[(1, 19012147), (7, 2716021), (11, 1728377), (49, 388003), (77, 246911), (343, 55429), (539, 35273), (3773, 5039)]