19779399

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 30392960

約数和(自身を除く): 10613561

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1123, 1957, 3369, 5871, 10107, 17613, 21337, 64011, 115669, 192033, 347007, 1041021, 2197711, 6593133, 19779399]

約数ペア:

[(1, 19779399), (3, 6593133), (9, 2197711), (19, 1041021), (57, 347007), (103, 192033), (171, 115669), (309, 64011), (927, 21337), (1123, 17613), (1957, 10107), (3369, 5871)]