18858177

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17934

約数の個数: 20

約数和(自身を含む): 30339540

約数和(自身を除く): 11481363

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17909, 53727, 161181, 232817, 483543, 698451, 1450629, 2095353, 6286059, 18858177]

約数ペア:

[(1, 18858177), (3, 6286059), (9, 2095353), (13, 1450629), (27, 698451), (39, 483543), (81, 232817), (117, 161181), (351, 53727), (1053, 17909)]