18391368

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 47880000

約数和(自身を除く): 29488632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 139, 148, 149, 222, 278, 296, 298, 417, 444, 447, 556, 596, 834, 888, 894, 1112, 1192, 1668, 1788, 3336, 3576, 5143, 5513, 10286, 11026, 15429, 16539, 20572, 20711, 22052, 30858, 33078, 41144, 41422, 44104, 61716, 62133, 66156, 82844, 123432, 124266, 132312, 165688, 248532, 497064, 766307, 1532614, 2298921, 3065228, 4597842, 6130456, 9195684, 18391368]

約数ペア:

[(1, 18391368), (2, 9195684), (3, 6130456), (4, 4597842), (6, 3065228), (8, 2298921), (12, 1532614), (24, 766307), (37, 497064), (74, 248532), (111, 165688), (139, 132312), (148, 124266), (149, 123432), (222, 82844), (278, 66156), (296, 62133), (298, 61716), (417, 44104), (444, 41422), (447, 41144), (556, 33078), (596, 30858), (834, 22052), (888, 20711), (894, 20572), (1112, 16539), (1192, 15429), (1668, 11026), (1788, 10286), (3336, 5513), (3576, 5143)]