18808713

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16672887

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 83, 99, 109, 189, 231, 249, 297, 327, 581, 693, 747, 763, 913, 981, 1199, 1743, 2079, 2241, 2289, 2739, 2943, 3597, 5229, 6391, 6867, 8217, 8393, 9047, 10791, 15687, 19173, 20601, 24651, 25179, 27141, 32373, 57519, 63329, 75537, 81423, 99517, 172557, 189987, 226611, 244269, 298551, 569961, 696619, 895653, 1709883, 2089857, 2686959, 6269571, 18808713]

約数ペア:

[(1, 18808713), (3, 6269571), (7, 2686959), (9, 2089857), (11, 1709883), (21, 895653), (27, 696619), (33, 569961), (63, 298551), (77, 244269), (83, 226611), (99, 189987), (109, 172557), (189, 99517), (231, 81423), (249, 75537), (297, 63329), (327, 57519), (581, 32373), (693, 27141), (747, 25179), (763, 24651), (913, 20601), (981, 19173), (1199, 15687), (1743, 10791), (2079, 9047), (2241, 8393), (2289, 8217), (2739, 6867), (2943, 6391), (3597, 5229)]