18666333

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2333}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 31070208

約数和(自身を除く): 12403875

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2333, 2667, 6999, 8001, 16331, 20997, 48993, 146979, 296291, 888873, 2074037, 2666619, 6222111, 18666333]

約数ペア:

[(1, 18666333), (3, 6222111), (7, 2666619), (9, 2074037), (21, 888873), (63, 296291), (127, 146979), (381, 48993), (889, 20997), (1143, 16331), (2333, 8001), (2667, 6999)]