18911508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 55845888

約数和(自身を除く): 36934380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 97, 132, 154, 194, 211, 231, 291, 308, 388, 422, 462, 582, 633, 679, 844, 924, 1067, 1164, 1266, 1358, 1477, 2037, 2134, 2321, 2532, 2716, 2954, 3201, 4074, 4268, 4431, 4642, 5908, 6402, 6963, 7469, 8148, 8862, 9284, 12804, 13926, 14938, 16247, 17724, 20467, 22407, 27852, 29876, 32494, 40934, 44814, 48741, 61401, 64988, 81868, 89628, 97482, 122802, 143269, 194964, 225137, 245604, 286538, 429807, 450274, 573076, 675411, 859614, 900548, 1350822, 1575959, 1719228, 2701644, 3151918, 4727877, 6303836, 9455754, 18911508]

約数ペア:

[(1, 18911508), (2, 9455754), (3, 6303836), (4, 4727877), (6, 3151918), (7, 2701644), (11, 1719228), (12, 1575959), (14, 1350822), (21, 900548), (22, 859614), (28, 675411), (33, 573076), (42, 450274), (44, 429807), (66, 286538), (77, 245604), (84, 225137), (97, 194964), (132, 143269), (154, 122802), (194, 97482), (211, 89628), (231, 81868), (291, 64988), (308, 61401), (388, 48741), (422, 44814), (462, 40934), (582, 32494), (633, 29876), (679, 27852), (844, 22407), (924, 20467), (1067, 17724), (1164, 16247), (1266, 14938), (1358, 13926), (1477, 12804), (2037, 9284), (2134, 8862), (2321, 8148), (2532, 7469), (2716, 6963), (2954, 6402), (3201, 5908), (4074, 4642), (4268, 4431)]