18991107072

素因数分解:

$2^{10}\times 3^5\times 7^1\times {\mathrm{10903}}^1$

素因数の和:10945

約数の個数: 264

約数和(自身を含む): 64997261056

約数和(自身を除く): 46006153984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 336, 378, 384, 432, 448, 486, 504, 512, 567, 576, 648, 672, 756, 768, 864, 896, 972, 1008, 1024, 1134, 1152, 1296, 1344, 1512, 1536, 1701, 1728, 1792, 1944, 2016, 2268, 2304, 2592, 2688, 3024, 3072, 3402, 3456, 3584, 3888, 4032, 4536, 4608, 5184, 5376, 6048, 6804, 6912, 7168, 7776, 8064, 9072, 9216, 10368, 10752, 10903, 12096, 13608, 13824, 15552, 16128, 18144, 20736, 21504, 21806, 24192, 27216, 27648, 31104, 32256, 32709, 36288, 41472, 43612, 48384, 54432, 62208, 64512, 65418, 72576, 76321, 82944, 87224, 96768, 98127, 108864, 124416, 130836, 145152, 152642, 174448, 193536, 196254, 217728, 228963, 248832, 261672, 290304, 294381, 305284, 348896, 392508, 435456, 457926, 523344, 580608, 588762, 610568, 686889, 697792, 785016, 870912, 883143, 915852, 1046688, 1177524, 1221136, 1373778, 1395584, 1570032, 1741824, 1766286, 1831704, 2060667, 2093376, 2355048, 2442272, 2649429, 2747556, 2791168, 3140064, 3532572, 3663408, 4121334, 4186752, 4710096, 4884544, 5298858, 5495112, 5582336, 6182001, 6280128, 7065144, 7326816, 8242668, 8373504, 9420192, 9769088, 10597716, 10990224, 11164672, 12364002, 12560256, 14130288, 14653632, 16485336, 16747008, 18546003, 18840384, 19538176, 21195432, 21980448, 24728004, 25120512, 28260576, 29307264, 32970672, 33494016, 37092006, 37680768, 39076352, 42390864, 43960896, 49456008, 50241024, 56521152, 58614528, 65941344, 74184012, 75361536, 78152704, 84781728, 87921792, 98912016, 100482048, 113042304, 117229056, 131882688, 148368024, 150723072, 169563456, 175843584, 197824032, 226084608, 234458112, 263765376, 296736048, 301446144, 339126912, 351687168, 395648064, 452169216, 527530752, 593472096, 678253824, 703374336, 791296128, 904338432, 1055061504, 1186944192, 1356507648, 1582592256, 2110123008, 2373888384, 2713015296, 3165184512, 4747776768, 6330369024, 9495553536, 18991107072]

約数ペア:

[(1, 18991107072), (2, 9495553536), (3, 6330369024), (4, 4747776768), (6, 3165184512), (7, 2713015296), (8, 2373888384), (9, 2110123008), (12, 1582592256), (14, 1356507648), (16, 1186944192), (18, 1055061504), (21, 904338432), (24, 791296128), (27, 703374336), (28, 678253824), (32, 593472096), (36, 527530752), (42, 452169216), (48, 395648064), (54, 351687168), (56, 339126912), (63, 301446144), (64, 296736048), (72, 263765376), (81, 234458112), (84, 226084608), (96, 197824032), (108, 175843584), (112, 169563456), (126, 150723072), (128, 148368024), (144, 131882688), (162, 117229056), (168, 113042304), (189, 100482048), (192, 98912016), (216, 87921792), (224, 84781728), (243, 78152704), (252, 75361536), (256, 74184012), (288, 65941344), (324, 58614528), (336, 56521152), (378, 50241024), (384, 49456008), (432, 43960896), (448, 42390864), (486, 39076352), (504, 37680768), (512, 37092006), (567, 33494016), (576, 32970672), (648, 29307264), (672, 28260576), (756, 25120512), (768, 24728004), (864, 21980448), (896, 21195432), (972, 19538176), (1008, 18840384), (1024, 18546003), (1134, 16747008), (1152, 16485336), (1296, 14653632), (1344, 14130288), (1512, 12560256), (1536, 12364002), (1701, 11164672), (1728, 10990224), (1792, 10597716), (1944, 9769088), (2016, 9420192), (2268, 8373504), (2304, 8242668), (2592, 7326816), (2688, 7065144), (3024, 6280128), (3072, 6182001), (3402, 5582336), (3456, 5495112), (3584, 5298858), (3888, 4884544), (4032, 4710096), (4536, 4186752), (4608, 4121334), (5184, 3663408), (5376, 3532572), (6048, 3140064), (6804, 2791168), (6912, 2747556), (7168, 2649429), (7776, 2442272), (8064, 2355048), (9072, 2093376), (9216, 2060667), (10368, 1831704), (10752, 1766286), (10903, 1741824), (12096, 1570032), (13608, 1395584), (13824, 1373778), (15552, 1221136), (16128, 1177524), (18144, 1046688), (20736, 915852), (21504, 883143), (21806, 870912), (24192, 785016), (27216, 697792), (27648, 686889), (31104, 610568), (32256, 588762), (32709, 580608), (36288, 523344), (41472, 457926), (43612, 435456), (48384, 392508), (54432, 348896), (62208, 305284), (64512, 294381), (65418, 290304), (72576, 261672), (76321, 248832), (82944, 228963), (87224, 217728), (96768, 196254), (98127, 193536), (108864, 174448), (124416, 152642), (130836, 145152)]