19709163

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4591}}^1$

素因数の和:4656

約数の個数: 20

約数和(自身を含む): 30004128

約数和(自身を除く): 10294965

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4591, 13773, 41319, 123957, 243323, 371871, 729969, 2189907, 6569721, 19709163]

約数ペア:

[(1, 19709163), (3, 6569721), (9, 2189907), (27, 729969), (53, 371871), (81, 243323), (159, 123957), (477, 41319), (1431, 13773), (4293, 4591)]