18498519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 28945280

約数和(自身を除く): 10446761

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 709, 2007, 2127, 2899, 6381, 8697, 9217, 26091, 27651, 82953, 158107, 474321, 1422963, 2055391, 6166173, 18498519]

約数ペア:

[(1, 18498519), (3, 6166173), (9, 2055391), (13, 1422963), (39, 474321), (117, 158107), (223, 82953), (669, 27651), (709, 26091), (2007, 9217), (2127, 8697), (2899, 6381)]