13338256

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{19387}}^1$

素因数の和:19438

約数の個数: 20

約数和(自身を含む): 26445232

約数和(自身を除く): 13106976

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 19387, 38774, 77548, 155096, 310192, 833641, 1667282, 3334564, 6669128, 13338256]

約数ペア:

[(1, 13338256), (2, 6669128), (4, 3334564), (8, 1667282), (16, 833641), (43, 310192), (86, 155096), (172, 77548), (344, 38774), (688, 19387)]