18977885536

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1377

約数の個数: 144

約数和(自身を含む): 41776560000

約数和(自身を除く): 22798674464

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 53, 62, 68, 106, 124, 136, 212, 248, 272, 289, 424, 496, 527, 544, 578, 848, 901, 992, 1054, 1156, 1249, 1643, 1696, 1802, 2108, 2312, 2498, 3286, 3604, 4216, 4624, 4996, 6572, 7208, 8432, 8959, 9248, 9992, 13144, 14416, 15317, 16864, 17918, 19984, 21233, 26288, 27931, 28832, 30634, 35836, 38719, 39968, 42466, 52576, 55862, 61268, 66197, 71672, 77438, 84932, 111724, 122536, 132394, 143344, 154876, 169864, 223448, 245072, 264788, 286688, 309752, 339728, 360961, 446896, 474827, 490144, 529576, 619504, 658223, 679456, 721922, 893792, 949654, 1059152, 1125349, 1239008, 1316446, 1443844, 1899308, 2052107, 2118304, 2250698, 2632892, 2887688, 3798616, 4104214, 4501396, 5265784, 5775376, 7597232, 8208428, 9002792, 10531568, 11189791, 11550752, 15194464, 16416856, 18005584, 19130933, 21063136, 22379582, 32833712, 34885819, 36011168, 38261866, 44759164, 65667424, 69771638, 76523732, 89518328, 139543276, 153047464, 179036656, 279086552, 306094928, 358073312, 558173104, 593058923, 612189856, 1116346208, 1186117846, 2372235692, 4744471384, 9488942768, 18977885536]

約数ペア:

[(1, 18977885536), (2, 9488942768), (4, 4744471384), (8, 2372235692), (16, 1186117846), (17, 1116346208), (31, 612189856), (32, 593058923), (34, 558173104), (53, 358073312), (62, 306094928), (68, 279086552), (106, 179036656), (124, 153047464), (136, 139543276), (212, 89518328), (248, 76523732), (272, 69771638), (289, 65667424), (424, 44759164), (496, 38261866), (527, 36011168), (544, 34885819), (578, 32833712), (848, 22379582), (901, 21063136), (992, 19130933), (1054, 18005584), (1156, 16416856), (1249, 15194464), (1643, 11550752), (1696, 11189791), (1802, 10531568), (2108, 9002792), (2312, 8208428), (2498, 7597232), (3286, 5775376), (3604, 5265784), (4216, 4501396), (4624, 4104214), (4996, 3798616), (6572, 2887688), (7208, 2632892), (8432, 2250698), (8959, 2118304), (9248, 2052107), (9992, 1899308), (13144, 1443844), (14416, 1316446), (15317, 1239008), (16864, 1125349), (17918, 1059152), (19984, 949654), (21233, 893792), (26288, 721922), (27931, 679456), (28832, 658223), (30634, 619504), (35836, 529576), (38719, 490144), (39968, 474827), (42466, 446896), (52576, 360961), (55862, 339728), (61268, 309752), (66197, 286688), (71672, 264788), (77438, 245072), (84932, 223448), (111724, 169864), (122536, 154876), (132394, 143344)]