13685008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{19891}}^1$

素因数の和:19942

約数の個数: 20

約数和(自身を含む): 27132688

約数和(自身を除く): 13447680

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 19891, 39782, 79564, 159128, 318256, 855313, 1710626, 3421252, 6842504, 13685008]

約数ペア:

[(1, 13685008), (2, 6842504), (4, 3421252), (8, 1710626), (16, 855313), (43, 318256), (86, 159128), (172, 79564), (344, 39782), (688, 19891)]