19566049321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{30715933}}^1$

素因数の和:30715960

約数の個数: 12

約数和(自身を含む): 24511315332

約数和(自身を除く): 4945266011

約数列:

[1, 7, 13, 49, 91, 637, 30715933, 215011531, 399307129, 1505080717, 2795149903, 19566049321]

約数ペア:

[(1, 19566049321), (7, 2795149903), (13, 1505080717), (49, 399307129), (91, 215011531), (637, 30715933)]