18276447

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21227}}^1$

素因数の和:21278

約数の個数: 16

約数和(自身を含む): 28530432

約数和(自身を除く): 10253985

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21227, 63681, 148589, 445767, 870307, 2610921, 6092149, 18276447]

約数ペア:

[(1, 18276447), (3, 6092149), (7, 2610921), (21, 870307), (41, 445767), (123, 148589), (287, 63681), (861, 21227)]