18706204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9887}}^1$

素因数の和:9945

約数の個数: 24

約数和(自身を含む): 36546048

約数和(自身を除く): 17839844

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9887, 19774, 39548, 108757, 217514, 425141, 435028, 850282, 1700564, 4676551, 9353102, 18706204]

約数ペア:

[(1, 18706204), (2, 9353102), (4, 4676551), (11, 1700564), (22, 850282), (43, 435028), (44, 425141), (86, 217514), (172, 108757), (473, 39548), (946, 19774), (1892, 9887)]