18806427

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 27967680

約数和(自身を除く): 9161253

約数列:

[1, 3, 9, 59, 107, 177, 321, 331, 531, 963, 993, 2979, 6313, 18939, 19529, 35417, 56817, 58587, 106251, 175761, 318753, 2089603, 6268809, 18806427]

約数ペア:

[(1, 18806427), (3, 6268809), (9, 2089603), (59, 318753), (107, 175761), (177, 106251), (321, 58587), (331, 56817), (531, 35417), (963, 19529), (993, 18939), (2979, 6313)]