19416866

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3391}}^1$

素因数の和:3809

約数の個数: 16

約数和(自身を含む): 33377280

約数和(自身を除く): 13960414

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3391, 5726, 6782, 23737, 47474, 1386919, 2773838, 9708433, 19416866]

約数ペア:

[(1, 19416866), (2, 9708433), (7, 2773838), (14, 1386919), (409, 47474), (818, 23737), (2863, 6782), (3391, 5726)]