19190384

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27893}}^1$

素因数の和:27944

約数の個数: 20

約数和(自身を含む): 38047416

約数和(自身を除く): 18857032

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27893, 55786, 111572, 223144, 446288, 1199399, 2398798, 4797596, 9595192, 19190384]

約数ペア:

[(1, 19190384), (2, 9595192), (4, 4797596), (8, 2398798), (16, 1199399), (43, 446288), (86, 223144), (172, 111572), (344, 55786), (688, 27893)]