19464368

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 49956624

約数和(自身を除く): 30492256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 49, 56, 61, 74, 77, 88, 98, 112, 122, 148, 154, 176, 196, 244, 259, 296, 308, 392, 407, 427, 488, 518, 539, 592, 616, 671, 784, 814, 854, 976, 1036, 1078, 1232, 1342, 1628, 1708, 1813, 2072, 2156, 2257, 2684, 2849, 2989, 3256, 3416, 3626, 4144, 4312, 4514, 4697, 5368, 5698, 5978, 6512, 6832, 7252, 8624, 9028, 9394, 10736, 11396, 11956, 14504, 15799, 18056, 18788, 19943, 22792, 23912, 24827, 29008, 31598, 32879, 36112, 37576, 39886, 45584, 47824, 49654, 63196, 65758, 75152, 79772, 99308, 110593, 126392, 131516, 159544, 173789, 198616, 221186, 252784, 263032, 319088, 347578, 397232, 442372, 526064, 695156, 884744, 1216523, 1390312, 1769488, 2433046, 2780624, 4866092, 9732184, 19464368]

約数ペア:

[(1, 19464368), (2, 9732184), (4, 4866092), (7, 2780624), (8, 2433046), (11, 1769488), (14, 1390312), (16, 1216523), (22, 884744), (28, 695156), (37, 526064), (44, 442372), (49, 397232), (56, 347578), (61, 319088), (74, 263032), (77, 252784), (88, 221186), (98, 198616), (112, 173789), (122, 159544), (148, 131516), (154, 126392), (176, 110593), (196, 99308), (244, 79772), (259, 75152), (296, 65758), (308, 63196), (392, 49654), (407, 47824), (427, 45584), (488, 39886), (518, 37576), (539, 36112), (592, 32879), (616, 31598), (671, 29008), (784, 24827), (814, 23912), (854, 22792), (976, 19943), (1036, 18788), (1078, 18056), (1232, 15799), (1342, 14504), (1628, 11956), (1708, 11396), (1813, 10736), (2072, 9394), (2156, 9028), (2257, 8624), (2684, 7252), (2849, 6832), (2989, 6512), (3256, 5978), (3416, 5698), (3626, 5368), (4144, 4697), (4312, 4514)]