19729654

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1847}}^1$

素因数の和:1972

約数の個数: 24

約数和(自身を含む): 34760880

約数和(自身を除く): 15031226

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 1847, 3694, 5341, 10682, 12929, 25858, 90503, 181006, 201323, 402646, 1409261, 2818522, 9864827, 19729654]

約数ペア:

[(1, 19729654), (2, 9864827), (7, 2818522), (14, 1409261), (49, 402646), (98, 201323), (109, 181006), (218, 90503), (763, 25858), (1526, 12929), (1847, 10682), (3694, 5341)]