18687123

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22817}}^1$

素因数の和:22843

約数の個数: 24

約数和(自身を含む): 33223008

約数和(自身を除く): 14535885

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22817, 68451, 159719, 205353, 296621, 479157, 889863, 1437471, 2076347, 2669589, 6229041, 18687123]

約数ペア:

[(1, 18687123), (3, 6229041), (7, 2669589), (9, 2076347), (13, 1437471), (21, 889863), (39, 479157), (63, 296621), (91, 205353), (117, 159719), (273, 68451), (819, 22817)]