19729358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{5939}}^1$

素因数の和:6103

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 12774322

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 5939, 11878, 65329, 130658, 896789, 1793578, 9864679, 19729358]

約数ペア:

[(1, 19729358), (2, 9864679), (11, 1793578), (22, 896789), (151, 130658), (302, 65329), (1661, 11878), (3322, 5939)]