18507357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 29585088

約数和(自身を除く): 11077731

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2633, 7029, 7899, 23697, 28963, 86889, 186943, 260667, 560829, 1682487, 2056373, 6169119, 18507357]

約数ペア:

[(1, 18507357), (3, 6169119), (9, 2056373), (11, 1682487), (33, 560829), (71, 260667), (99, 186943), (213, 86889), (639, 28963), (781, 23697), (2343, 7899), (2633, 7029)]