18556904192

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 40563180000

約数和(自身を除く): 22006275808

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 293, 304, 449, 464, 551, 586, 608, 898, 928, 1102, 1172, 1216, 1796, 1856, 2204, 2344, 2432, 3592, 3712, 4408, 4688, 4864, 5567, 7184, 7424, 8497, 8531, 8816, 9376, 11134, 13021, 14368, 16994, 17062, 17632, 18752, 22268, 26042, 28736, 33988, 34124, 35264, 37504, 44536, 52084, 57472, 67976, 68248, 70528, 75008, 89072, 104168, 114944, 131557, 135952, 136496, 141056, 161443, 178144, 208336, 247399, 263114, 271904, 272992, 322886, 356288, 416672, 494798, 526228, 543808, 545984, 645772, 712576, 833344, 989596, 1052456, 1087616, 1091968, 1291544, 1425152, 1666688, 1979192, 2104912, 2175232, 2183936, 2499583, 2583088, 3333376, 3815153, 3958384, 4209824, 4999166, 5166176, 7630306, 7916768, 8419648, 9998332, 10332352, 15260612, 15833536, 16839296, 19996664, 20664704, 30521224, 31667072, 33678592, 39993328, 41329408, 61042448, 63334144, 72487907, 79986656, 122084896, 144975814, 159973312, 244169792, 289951628, 319946624, 488339584, 579903256, 639893248, 976679168, 1159806512, 2319613024, 4639226048, 9278452096, 18556904192]

約数ペア:

[(1, 18556904192), (2, 9278452096), (4, 4639226048), (8, 2319613024), (16, 1159806512), (19, 976679168), (29, 639893248), (32, 579903256), (38, 488339584), (58, 319946624), (64, 289951628), (76, 244169792), (116, 159973312), (128, 144975814), (152, 122084896), (232, 79986656), (256, 72487907), (293, 63334144), (304, 61042448), (449, 41329408), (464, 39993328), (551, 33678592), (586, 31667072), (608, 30521224), (898, 20664704), (928, 19996664), (1102, 16839296), (1172, 15833536), (1216, 15260612), (1796, 10332352), (1856, 9998332), (2204, 8419648), (2344, 7916768), (2432, 7630306), (3592, 5166176), (3712, 4999166), (4408, 4209824), (4688, 3958384), (4864, 3815153), (5567, 3333376), (7184, 2583088), (7424, 2499583), (8497, 2183936), (8531, 2175232), (8816, 2104912), (9376, 1979192), (11134, 1666688), (13021, 1425152), (14368, 1291544), (16994, 1091968), (17062, 1087616), (17632, 1052456), (18752, 989596), (22268, 833344), (26042, 712576), (28736, 645772), (33988, 545984), (34124, 543808), (35264, 526228), (37504, 494798), (44536, 416672), (52084, 356288), (57472, 322886), (67976, 272992), (68248, 271904), (70528, 263114), (75008, 247399), (89072, 208336), (104168, 178144), (114944, 161443), (131557, 141056), (135952, 136496)]