18086185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 5621975

約数列:

[1, 5, 13, 65, 71, 355, 923, 3919, 4615, 19595, 50947, 254735, 278249, 1391245, 3617237, 18086185]

約数ペア:

[(1, 18086185), (5, 3617237), (13, 1391245), (65, 278249), (71, 254735), (355, 50947), (923, 19595), (3919, 4615)]