18765243

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 13759557

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2309, 2709, 6927, 8127, 16163, 20781, 48489, 62343, 99287, 145467, 297861, 436401, 695009, 893583, 2085027, 2680749, 6255081, 18765243]

約数ペア:

[(1, 18765243), (3, 6255081), (7, 2680749), (9, 2085027), (21, 893583), (27, 695009), (43, 436401), (63, 297861), (129, 145467), (189, 99287), (301, 62343), (387, 48489), (903, 20781), (1161, 16163), (2309, 8127), (2709, 6927)]