18131207088

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 49831096320

約数和(自身を除く): 31699889232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 37, 48, 62, 74, 93, 111, 124, 148, 186, 222, 248, 296, 372, 444, 496, 509, 592, 647, 744, 888, 1018, 1147, 1294, 1488, 1527, 1776, 1941, 2036, 2294, 2588, 3054, 3441, 3882, 4072, 4588, 5176, 6108, 6882, 7764, 8144, 9176, 10352, 12216, 13764, 15528, 15779, 18352, 18833, 20057, 23939, 24432, 27528, 31056, 31558, 37666, 40114, 47337, 47878, 55056, 56499, 60171, 63116, 71817, 75332, 80228, 94674, 95756, 112998, 120342, 126232, 143634, 150664, 160456, 189348, 191512, 225996, 240684, 252464, 287268, 301328, 320912, 329323, 378696, 383024, 451992, 481368, 574536, 583823, 658646, 742109, 757392, 903984, 962736, 987969, 1149072, 1167646, 1317292, 1484218, 1751469, 1975938, 2226327, 2335292, 2634584, 2968436, 3502938, 3951876, 4452654, 4670584, 5269168, 5936872, 7005876, 7903752, 8905308, 9341168, 10209013, 11873744, 12184951, 14011752, 15807504, 17810616, 20418026, 24369902, 28023504, 30627039, 35621232, 36554853, 40836052, 48739804, 61254078, 73109706, 81672104, 97479608, 122508156, 146219412, 163344208, 194959216, 245016312, 292438824, 377733481, 490032624, 584877648, 755466962, 1133200443, 1510933924, 2266400886, 3021867848, 4532801772, 6043735696, 9065603544, 18131207088]

約数ペア:

[(1, 18131207088), (2, 9065603544), (3, 6043735696), (4, 4532801772), (6, 3021867848), (8, 2266400886), (12, 1510933924), (16, 1133200443), (24, 755466962), (31, 584877648), (37, 490032624), (48, 377733481), (62, 292438824), (74, 245016312), (93, 194959216), (111, 163344208), (124, 146219412), (148, 122508156), (186, 97479608), (222, 81672104), (248, 73109706), (296, 61254078), (372, 48739804), (444, 40836052), (496, 36554853), (509, 35621232), (592, 30627039), (647, 28023504), (744, 24369902), (888, 20418026), (1018, 17810616), (1147, 15807504), (1294, 14011752), (1488, 12184951), (1527, 11873744), (1776, 10209013), (1941, 9341168), (2036, 8905308), (2294, 7903752), (2588, 7005876), (3054, 5936872), (3441, 5269168), (3882, 4670584), (4072, 4452654), (4588, 3951876), (5176, 3502938), (6108, 2968436), (6882, 2634584), (7764, 2335292), (8144, 2226327), (9176, 1975938), (10352, 1751469), (12216, 1484218), (13764, 1317292), (15528, 1167646), (15779, 1149072), (18352, 987969), (18833, 962736), (20057, 903984), (23939, 757392), (24432, 742109), (27528, 658646), (31056, 583823), (31558, 574536), (37666, 481368), (40114, 451992), (47337, 383024), (47878, 378696), (55056, 329323), (56499, 320912), (60171, 301328), (63116, 287268), (71817, 252464), (75332, 240684), (80228, 225996), (94674, 191512), (95756, 189348), (112998, 160456), (120342, 150664), (126232, 143634)]