18899691

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 25831680

約数和(自身を除く): 6931989

約数列:

[1, 3, 61, 139, 183, 417, 743, 2229, 8479, 25437, 45323, 103277, 135969, 309831, 6299897, 18899691]

約数ペア:

[(1, 18899691), (3, 6299897), (61, 309831), (139, 135969), (183, 103277), (417, 45323), (743, 25437), (2229, 8479)]