18550413

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1063}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 30762368

約数和(自身を除く): 12211955

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1063, 1939, 2493, 3189, 5817, 7441, 9567, 17451, 22323, 66969, 294451, 883353, 2061157, 2650059, 6183471, 18550413]

約数ペア:

[(1, 18550413), (3, 6183471), (7, 2650059), (9, 2061157), (21, 883353), (63, 294451), (277, 66969), (831, 22323), (1063, 17451), (1939, 9567), (2493, 7441), (3189, 5817)]