19534384

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28393}}^1$

素因数の和:28444

約数の個数: 20

約数和(自身を含む): 38729416

約数和(自身を除く): 19195032

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28393, 56786, 113572, 227144, 454288, 1220899, 2441798, 4883596, 9767192, 19534384]

約数ペア:

[(1, 19534384), (2, 9767192), (4, 4883596), (8, 2441798), (16, 1220899), (43, 454288), (86, 227144), (172, 113572), (344, 56786), (688, 28393)]