1920473984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 4523904000

約数和(自身を除く): 2603430016

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 239, 286, 352, 416, 439, 478, 572, 704, 832, 878, 956, 1144, 1408, 1664, 1756, 1912, 2288, 2629, 3107, 3512, 3824, 4576, 4829, 5258, 5707, 6214, 7024, 7648, 9152, 9658, 10516, 11414, 12428, 14048, 15296, 18304, 19316, 21032, 22828, 24856, 28096, 30592, 34177, 38632, 42064, 45656, 49712, 56192, 62777, 68354, 77264, 84128, 91312, 99424, 104921, 125554, 136708, 154528, 168256, 182624, 198848, 209842, 251108, 273416, 309056, 336512, 365248, 397696, 419684, 502216, 546832, 618112, 730496, 839368, 1004432, 1093664, 1154131, 1363973, 1678736, 2008864, 2187328, 2308262, 2727946, 3357472, 4017728, 4374656, 4616524, 5455892, 6714944, 8035456, 9233048, 10911784, 13429888, 15003703, 18466096, 21823568, 30007406, 36932192, 43647136, 60014812, 73864384, 87294272, 120029624, 147728768, 174588544, 240059248, 480118496, 960236992, 1920473984]

約数ペア:

[(1, 1920473984), (2, 960236992), (4, 480118496), (8, 240059248), (11, 174588544), (13, 147728768), (16, 120029624), (22, 87294272), (26, 73864384), (32, 60014812), (44, 43647136), (52, 36932192), (64, 30007406), (88, 21823568), (104, 18466096), (128, 15003703), (143, 13429888), (176, 10911784), (208, 9233048), (239, 8035456), (286, 6714944), (352, 5455892), (416, 4616524), (439, 4374656), (478, 4017728), (572, 3357472), (704, 2727946), (832, 2308262), (878, 2187328), (956, 2008864), (1144, 1678736), (1408, 1363973), (1664, 1154131), (1756, 1093664), (1912, 1004432), (2288, 839368), (2629, 730496), (3107, 618112), (3512, 546832), (3824, 502216), (4576, 419684), (4829, 397696), (5258, 365248), (5707, 336512), (6214, 309056), (7024, 273416), (7648, 251108), (9152, 209842), (9658, 198848), (10516, 182624), (11414, 168256), (12428, 154528), (14048, 136708), (15296, 125554), (18304, 104921), (19316, 99424), (21032, 91312), (22828, 84128), (24856, 77264), (28096, 68354), (30592, 62777), (34177, 56192), (38632, 49712), (42064, 45656)]