2019987672

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 5341533120

約数和(自身を除く): 3321545448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 61, 73, 82, 122, 123, 146, 164, 183, 219, 244, 246, 292, 328, 366, 438, 461, 488, 492, 584, 732, 876, 922, 984, 1383, 1464, 1752, 1844, 2501, 2766, 2993, 3688, 4453, 5002, 5532, 5986, 7503, 8906, 8979, 10004, 11064, 11972, 13359, 15006, 17812, 17958, 18901, 20008, 23944, 26718, 28121, 30012, 33653, 35624, 35916, 37802, 53436, 56242, 56703, 60024, 67306, 71832, 75604, 84363, 100959, 106872, 112484, 113406, 134612, 151208, 168726, 182573, 201918, 224968, 226812, 269224, 337452, 365146, 403836, 453624, 547719, 674904, 730292, 807672, 1095438, 1152961, 1379773, 1460584, 2052833, 2190876, 2305922, 2759546, 3458883, 4105666, 4139319, 4381752, 4611844, 5519092, 6158499, 6917766, 8211332, 8278638, 9223688, 11038184, 12316998, 13835532, 16422664, 16557276, 24633996, 27671064, 33114552, 49267992, 84166153, 168332306, 252498459, 336664612, 504996918, 673329224, 1009993836, 2019987672]

約数ペア:

[(1, 2019987672), (2, 1009993836), (3, 673329224), (4, 504996918), (6, 336664612), (8, 252498459), (12, 168332306), (24, 84166153), (41, 49267992), (61, 33114552), (73, 27671064), (82, 24633996), (122, 16557276), (123, 16422664), (146, 13835532), (164, 12316998), (183, 11038184), (219, 9223688), (244, 8278638), (246, 8211332), (292, 6917766), (328, 6158499), (366, 5519092), (438, 4611844), (461, 4381752), (488, 4139319), (492, 4105666), (584, 3458883), (732, 2759546), (876, 2305922), (922, 2190876), (984, 2052833), (1383, 1460584), (1464, 1379773), (1752, 1152961), (1844, 1095438), (2501, 807672), (2766, 730292), (2993, 674904), (3688, 547719), (4453, 453624), (5002, 403836), (5532, 365146), (5986, 337452), (7503, 269224), (8906, 226812), (8979, 224968), (10004, 201918), (11064, 182573), (11972, 168726), (13359, 151208), (15006, 134612), (17812, 113406), (17958, 112484), (18901, 106872), (20008, 100959), (23944, 84363), (26718, 75604), (28121, 71832), (30012, 67306), (33653, 60024), (35624, 56703), (35916, 56242), (37802, 53436)]