19497501088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:415

約数の個数: 192

約数和(自身を含む): 43860096000

約数和(自身を除く): 24362594912

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 73, 104, 124, 139, 146, 149, 208, 248, 278, 292, 298, 403, 416, 496, 556, 584, 596, 806, 949, 992, 1112, 1168, 1192, 1612, 1807, 1898, 1937, 2224, 2263, 2336, 2384, 3224, 3614, 3796, 3874, 4309, 4448, 4526, 4619, 4768, 6448, 7228, 7592, 7748, 8618, 9052, 9238, 10147, 10877, 12896, 14456, 15184, 15496, 17236, 18104, 18476, 20294, 20711, 21754, 28912, 29419, 30368, 30992, 34472, 36208, 36952, 40588, 41422, 43508, 56017, 57824, 58838, 60047, 61984, 68944, 72416, 73904, 81176, 82844, 87016, 112034, 117676, 120094, 131911, 137888, 141401, 147808, 162352, 165688, 174032, 224068, 235352, 240188, 263822, 269243, 282802, 314557, 324704, 331376, 337187, 348064, 448136, 470704, 480376, 527644, 538486, 565604, 629114, 642041, 662752, 674374, 896272, 941408, 960752, 1055288, 1076972, 1131208, 1258228, 1284082, 1348748, 1511903, 1792544, 1921504, 2110576, 2153944, 2262416, 2516456, 2568164, 2697496, 3023806, 4089241, 4221152, 4307888, 4383431, 4524832, 5032912, 5136328, 5394992, 6047612, 8178482, 8346533, 8615776, 8766862, 10065824, 10272656, 10789984, 12095224, 16356964, 16693066, 17533724, 19654739, 20545312, 24190448, 32713928, 33386132, 35067448, 39309478, 46868993, 48380896, 65427856, 66772264, 70134896, 78618956, 93737986, 130855712, 133544528, 140269792, 157237912, 187475972, 267089056, 314475824, 374951944, 609296909, 628951648, 749903888, 1218593818, 1499807776, 2437187636, 4874375272, 9748750544, 19497501088]

約数ペア:

[(1, 19497501088), (2, 9748750544), (4, 4874375272), (8, 2437187636), (13, 1499807776), (16, 1218593818), (26, 749903888), (31, 628951648), (32, 609296909), (52, 374951944), (62, 314475824), (73, 267089056), (104, 187475972), (124, 157237912), (139, 140269792), (146, 133544528), (149, 130855712), (208, 93737986), (248, 78618956), (278, 70134896), (292, 66772264), (298, 65427856), (403, 48380896), (416, 46868993), (496, 39309478), (556, 35067448), (584, 33386132), (596, 32713928), (806, 24190448), (949, 20545312), (992, 19654739), (1112, 17533724), (1168, 16693066), (1192, 16356964), (1612, 12095224), (1807, 10789984), (1898, 10272656), (1937, 10065824), (2224, 8766862), (2263, 8615776), (2336, 8346533), (2384, 8178482), (3224, 6047612), (3614, 5394992), (3796, 5136328), (3874, 5032912), (4309, 4524832), (4448, 4383431), (4526, 4307888), (4619, 4221152), (4768, 4089241), (6448, 3023806), (7228, 2697496), (7592, 2568164), (7748, 2516456), (8618, 2262416), (9052, 2153944), (9238, 2110576), (10147, 1921504), (10877, 1792544), (12896, 1511903), (14456, 1348748), (15184, 1284082), (15496, 1258228), (17236, 1131208), (18104, 1076972), (18476, 1055288), (20294, 960752), (20711, 941408), (21754, 896272), (28912, 674374), (29419, 662752), (30368, 642041), (30992, 629114), (34472, 565604), (36208, 538486), (36952, 527644), (40588, 480376), (41422, 470704), (43508, 448136), (56017, 348064), (57824, 337187), (58838, 331376), (60047, 324704), (61984, 314557), (68944, 282802), (72416, 269243), (73904, 263822), (81176, 240188), (82844, 235352), (87016, 224068), (112034, 174032), (117676, 165688), (120094, 162352), (131911, 147808), (137888, 141401)]