18784444544

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 256

約数和(自身を含む): 42771456000

約数和(自身を除く): 23987011456

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 41, 59, 62, 64, 76, 82, 103, 118, 124, 128, 152, 164, 206, 236, 248, 304, 328, 412, 472, 496, 589, 608, 656, 779, 824, 944, 992, 1121, 1178, 1216, 1271, 1312, 1558, 1648, 1829, 1888, 1957, 1984, 2242, 2356, 2419, 2432, 2542, 2624, 3116, 3193, 3296, 3658, 3776, 3914, 3968, 4223, 4484, 4712, 4838, 5084, 5248, 6077, 6232, 6386, 6592, 7316, 7552, 7828, 8446, 8968, 9424, 9676, 10168, 12154, 12464, 12772, 13184, 14632, 15656, 16892, 17936, 18848, 19352, 20336, 24149, 24308, 24928, 25544, 29264, 31312, 33784, 34751, 35872, 37696, 38704, 40672, 45961, 48298, 48616, 49856, 51088, 58528, 60667, 62624, 67568, 69502, 71744, 74989, 75392, 77408, 80237, 81344, 91922, 96596, 97232, 99712, 102176, 115463, 117056, 121334, 125248, 130913, 135136, 139004, 143488, 149978, 154816, 160474, 162688, 183844, 188387, 193192, 194464, 204352, 230926, 234112, 242668, 249157, 250496, 261826, 270272, 278008, 299956, 309632, 320948, 367688, 376774, 386384, 388928, 408704, 461852, 485336, 498314, 523652, 540544, 556016, 599912, 641896, 735376, 753548, 772768, 777856, 923704, 970672, 996628, 1047304, 1112032, 1199824, 1283792, 1424791, 1470752, 1507096, 1545536, 1847408, 1941344, 1993256, 2094608, 2224064, 2399648, 2487347, 2567584, 2849582, 2941504, 3014192, 3091072, 3579353, 3694816, 3882688, 3986512, 4189216, 4448128, 4733983, 4799296, 4974694, 5135168, 5699164, 5883008, 6028384, 7158706, 7389632, 7723867, 7765376, 7973024, 8378432, 9467966, 9598592, 9949388, 10270336, 11398328, 12056768, 14317412, 14779264, 15447734, 15946048, 16756864, 18935932, 19898776, 22796656, 24113536, 28634824, 30895468, 31892096, 37871864, 39797552, 45593312, 57269648, 61790936, 75743728, 79595104, 91186624, 114539296, 123581872, 146753473, 151487456, 159190208, 182373248, 229078592, 247163744, 293506946, 302974912, 318380416, 458157184, 494327488, 587013892, 605949824, 988654976, 1174027784, 2348055568, 4696111136, 9392222272, 18784444544]

約数ペア:

[(1, 18784444544), (2, 9392222272), (4, 4696111136), (8, 2348055568), (16, 1174027784), (19, 988654976), (31, 605949824), (32, 587013892), (38, 494327488), (41, 458157184), (59, 318380416), (62, 302974912), (64, 293506946), (76, 247163744), (82, 229078592), (103, 182373248), (118, 159190208), (124, 151487456), (128, 146753473), (152, 123581872), (164, 114539296), (206, 91186624), (236, 79595104), (248, 75743728), (304, 61790936), (328, 57269648), (412, 45593312), (472, 39797552), (496, 37871864), (589, 31892096), (608, 30895468), (656, 28634824), (779, 24113536), (824, 22796656), (944, 19898776), (992, 18935932), (1121, 16756864), (1178, 15946048), (1216, 15447734), (1271, 14779264), (1312, 14317412), (1558, 12056768), (1648, 11398328), (1829, 10270336), (1888, 9949388), (1957, 9598592), (1984, 9467966), (2242, 8378432), (2356, 7973024), (2419, 7765376), (2432, 7723867), (2542, 7389632), (2624, 7158706), (3116, 6028384), (3193, 5883008), (3296, 5699164), (3658, 5135168), (3776, 4974694), (3914, 4799296), (3968, 4733983), (4223, 4448128), (4484, 4189216), (4712, 3986512), (4838, 3882688), (5084, 3694816), (5248, 3579353), (6077, 3091072), (6232, 3014192), (6386, 2941504), (6592, 2849582), (7316, 2567584), (7552, 2487347), (7828, 2399648), (8446, 2224064), (8968, 2094608), (9424, 1993256), (9676, 1941344), (10168, 1847408), (12154, 1545536), (12464, 1507096), (12772, 1470752), (13184, 1424791), (14632, 1283792), (15656, 1199824), (16892, 1112032), (17936, 1047304), (18848, 996628), (19352, 970672), (20336, 923704), (24149, 777856), (24308, 772768), (24928, 753548), (25544, 735376), (29264, 641896), (31312, 599912), (33784, 556016), (34751, 540544), (35872, 523652), (37696, 498314), (38704, 485336), (40672, 461852), (45961, 408704), (48298, 388928), (48616, 386384), (49856, 376774), (51088, 367688), (58528, 320948), (60667, 309632), (62624, 299956), (67568, 278008), (69502, 270272), (71744, 261826), (74989, 250496), (75392, 249157), (77408, 242668), (80237, 234112), (81344, 230926), (91922, 204352), (96596, 194464), (97232, 193192), (99712, 188387), (102176, 183844), (115463, 162688), (117056, 160474), (121334, 154816), (125248, 149978), (130913, 143488), (135136, 139004)]