18273519

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20509}}^1$

素因数の和:20532

約数の個数: 20

約数和(自身を含む): 29780520

約数和(自身を除く): 11507001

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20509, 61527, 184581, 225599, 553743, 676797, 1661229, 2030391, 6091173, 18273519]

約数ペア:

[(1, 18273519), (3, 6091173), (9, 2030391), (11, 1661229), (27, 676797), (33, 553743), (81, 225599), (99, 184581), (297, 61527), (891, 20509)]