18509202009

素因数分解:

$3^2\times {\mathrm{311}}^1\times {\mathrm{6612791}}^1$

素因数の和:6613108

約数の個数: 12

約数和(自身を含む): 26821484352

約数和(自身を除く): 8312282343

約数列:

[1, 3, 9, 311, 933, 2799, 6612791, 19838373, 59515119, 2056578001, 6169734003, 18509202009]

約数ペア:

[(1, 18509202009), (3, 6169734003), (9, 2056578001), (311, 59515119), (933, 19838373), (2799, 6612791)]