18806823

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 14124537

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 809, 861, 1107, 2427, 2583, 3321, 5663, 7281, 7749, 16989, 21843, 23247, 33169, 50967, 65529, 99507, 152901, 232183, 298521, 458703, 696549, 895563, 2089647, 2686689, 6268941, 18806823]

約数ペア:

[(1, 18806823), (3, 6268941), (7, 2686689), (9, 2089647), (21, 895563), (27, 696549), (41, 458703), (63, 298521), (81, 232183), (123, 152901), (189, 99507), (287, 65529), (369, 50967), (567, 33169), (809, 23247), (861, 21843), (1107, 16989), (2427, 7749), (2583, 7281), (3321, 5663)]