9891286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 15744960

約数和(自身を除く): 5853674

約数列:

[1, 2, 19, 38, 131, 262, 1987, 2489, 3974, 4978, 37753, 75506, 260297, 520594, 4945643, 9891286]

約数ペア:

[(1, 9891286), (2, 4945643), (19, 520594), (38, 260297), (131, 75506), (262, 37753), (1987, 4978), (2489, 3974)]