19554978

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{20759}}^1$

素因数の和:20921

約数の個数: 16

約数和(自身を含む): 39360960

約数和(自身を除く): 19805982

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 20759, 41518, 62277, 124554, 3259163, 6518326, 9777489, 19554978]

約数ペア:

[(1, 19554978), (2, 9777489), (3, 6518326), (6, 3259163), (157, 124554), (314, 62277), (471, 41518), (942, 20759)]