20191554

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8563}}^1$

素因数の和:8702

約数の個数: 24

約数和(自身を含む): 44087472

約数和(自身を除く): 23895918

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8563, 17126, 25689, 51378, 77067, 154134, 1121753, 2243506, 3365259, 6730518, 10095777, 20191554]

約数ペア:

[(1, 20191554), (2, 10095777), (3, 6730518), (6, 3365259), (9, 2243506), (18, 1121753), (131, 154134), (262, 77067), (393, 51378), (786, 25689), (1179, 17126), (2358, 8563)]