20191698

素因数分解:

$2^1\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1543}}^1$

素因数の和:2278

約数の個数: 24

約数和(自身を含む): 43837248

約数和(自身を除く): 23645550

約数列:

[1, 2, 3, 6, 9, 18, 727, 1454, 1543, 2181, 3086, 4362, 4629, 6543, 9258, 13086, 13887, 27774, 1121761, 2243522, 3365283, 6730566, 10095849, 20191698]

約数ペア:

[(1, 20191698), (2, 10095849), (3, 6730566), (6, 3365283), (9, 2243522), (18, 1121761), (727, 27774), (1454, 13887), (1543, 13086), (2181, 9258), (3086, 6543), (4362, 4629)]