19576557

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 39626496

約数和(自身を除く): 20049939

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 41, 53, 63, 77, 91, 99, 117, 123, 143, 159, 231, 273, 287, 369, 371, 429, 451, 477, 533, 583, 689, 693, 819, 861, 1001, 1113, 1287, 1353, 1599, 1749, 2067, 2173, 2583, 3003, 3157, 3339, 3731, 4059, 4081, 4797, 4823, 5247, 5863, 6201, 6519, 7579, 9009, 9471, 11193, 12243, 14469, 15211, 17589, 19557, 22737, 23903, 28249, 28413, 33579, 36729, 41041, 43407, 45633, 52767, 53053, 68211, 71709, 84747, 123123, 136899, 159159, 167321, 197743, 215127, 254241, 310739, 369369, 477477, 501963, 593229, 932217, 1505889, 1779687, 2175173, 2796651, 6525519, 19576557]

約数ペア:

[(1, 19576557), (3, 6525519), (7, 2796651), (9, 2175173), (11, 1779687), (13, 1505889), (21, 932217), (33, 593229), (39, 501963), (41, 477477), (53, 369369), (63, 310739), (77, 254241), (91, 215127), (99, 197743), (117, 167321), (123, 159159), (143, 136899), (159, 123123), (231, 84747), (273, 71709), (287, 68211), (369, 53053), (371, 52767), (429, 45633), (451, 43407), (477, 41041), (533, 36729), (583, 33579), (689, 28413), (693, 28249), (819, 23903), (861, 22737), (1001, 19557), (1113, 17589), (1287, 15211), (1353, 14469), (1599, 12243), (1749, 11193), (2067, 9471), (2173, 9009), (2583, 7579), (3003, 6519), (3157, 6201), (3339, 5863), (3731, 5247), (4059, 4823), (4081, 4797)]