19998583016

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{953}}^1\times {\mathrm{35933}}^1$

素因数の和:36965

約数の個数: 32

約数和(自身を含む): 38051949960

約数和(自身を除く): 18053366944

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 953, 1906, 3812, 7624, 35933, 69569, 71866, 139138, 143732, 278276, 287464, 556552, 2623109, 5246218, 10492436, 20984872, 34244149, 68488298, 136976596, 273953192, 2499822877, 4999645754, 9999291508, 19998583016]

約数ペア:

[(1, 19998583016), (2, 9999291508), (4, 4999645754), (8, 2499822877), (73, 273953192), (146, 136976596), (292, 68488298), (584, 34244149), (953, 20984872), (1906, 10492436), (3812, 5246218), (7624, 2623109), (35933, 556552), (69569, 287464), (71866, 278276), (139138, 143732)]