19883337

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 27061632

約数和(自身を除く): 7178295

約数列:

[1, 3, 71, 213, 277, 337, 831, 1011, 19667, 23927, 59001, 71781, 93349, 280047, 6627779, 19883337]

約数ペア:

[(1, 19883337), (3, 6627779), (71, 280047), (213, 93349), (277, 71781), (337, 59001), (831, 23927), (1011, 19667)]