18778838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1381}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 30415056

約数和(自身を除く): 11636218

約数列:

[1, 2, 13, 26, 523, 1046, 1381, 2762, 6799, 13598, 17953, 35906, 722263, 1444526, 9389419, 18778838]

約数ペア:

[(1, 18778838), (2, 9389419), (13, 1444526), (26, 722263), (523, 35906), (1046, 17953), (1381, 13598), (2762, 6799)]