18920616

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 57456000

約数和(自身を除く): 38535384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 37, 39, 44, 52, 66, 74, 78, 88, 104, 111, 132, 143, 148, 149, 156, 222, 264, 286, 296, 298, 312, 407, 429, 444, 447, 481, 572, 596, 814, 858, 888, 894, 962, 1144, 1192, 1221, 1443, 1628, 1639, 1716, 1788, 1924, 1937, 2442, 2886, 3256, 3278, 3432, 3576, 3848, 3874, 4884, 4917, 5291, 5513, 5772, 5811, 6556, 7748, 9768, 9834, 10582, 11026, 11544, 11622, 13112, 15496, 15873, 16539, 19668, 21164, 21307, 22052, 23244, 31746, 33078, 39336, 42328, 42614, 44104, 46488, 60643, 63492, 63921, 66156, 71669, 85228, 121286, 126984, 127842, 132312, 143338, 170456, 181929, 215007, 242572, 255684, 286676, 363858, 430014, 485144, 511368, 573352, 727716, 788359, 860028, 1455432, 1576718, 1720056, 2365077, 3153436, 4730154, 6306872, 9460308, 18920616]

約数ペア:

[(1, 18920616), (2, 9460308), (3, 6306872), (4, 4730154), (6, 3153436), (8, 2365077), (11, 1720056), (12, 1576718), (13, 1455432), (22, 860028), (24, 788359), (26, 727716), (33, 573352), (37, 511368), (39, 485144), (44, 430014), (52, 363858), (66, 286676), (74, 255684), (78, 242572), (88, 215007), (104, 181929), (111, 170456), (132, 143338), (143, 132312), (148, 127842), (149, 126984), (156, 121286), (222, 85228), (264, 71669), (286, 66156), (296, 63921), (298, 63492), (312, 60643), (407, 46488), (429, 44104), (444, 42614), (447, 42328), (481, 39336), (572, 33078), (596, 31746), (814, 23244), (858, 22052), (888, 21307), (894, 21164), (962, 19668), (1144, 16539), (1192, 15873), (1221, 15496), (1443, 13112), (1628, 11622), (1639, 11544), (1716, 11026), (1788, 10582), (1924, 9834), (1937, 9768), (2442, 7748), (2886, 6556), (3256, 5811), (3278, 5772), (3432, 5513), (3576, 5291), (3848, 4917), (3874, 4884)]