18681870688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:709

約数の個数: 192

約数和(自身を含む): 43243683840

約数和(自身を除く): 24561813152

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 37, 38, 52, 74, 76, 104, 127, 148, 152, 208, 247, 254, 296, 304, 416, 481, 494, 503, 508, 592, 608, 703, 962, 988, 1006, 1016, 1184, 1406, 1651, 1924, 1976, 2012, 2032, 2413, 2812, 3302, 3848, 3952, 4024, 4064, 4699, 4826, 5624, 6539, 6604, 7696, 7904, 8048, 9139, 9398, 9557, 9652, 11248, 13078, 13208, 15392, 16096, 18278, 18611, 18796, 19114, 19304, 22496, 26156, 26416, 31369, 36556, 37222, 37592, 38228, 38608, 52312, 52832, 61087, 62738, 63881, 73112, 74444, 75184, 76456, 77216, 89281, 104624, 122174, 124241, 125476, 127762, 146224, 148888, 150368, 152912, 178562, 209248, 241943, 244348, 248482, 250952, 255524, 292448, 297776, 305824, 353609, 357124, 483886, 488696, 496964, 501904, 511048, 595552, 707218, 714248, 830453, 967772, 977392, 993928, 1003808, 1022096, 1160653, 1213739, 1414436, 1428496, 1660906, 1935544, 1954784, 1987856, 2044192, 2321306, 2363597, 2427478, 2828872, 2856992, 3321812, 3871088, 3975712, 4596917, 4642612, 4727194, 4854956, 5657744, 6643624, 7742176, 9193834, 9285224, 9454388, 9709912, 11315488, 13287248, 15778607, 18387668, 18570448, 18908776, 19419824, 26574496, 30726761, 31557214, 36775336, 37140896, 37817552, 38839648, 44908343, 61453522, 63114428, 73550672, 75635104, 89816686, 122907044, 126228856, 147101344, 179633372, 245814088, 252457712, 359266744, 491628176, 504915424, 583808459, 718533488, 983256352, 1167616918, 1437066976, 2335233836, 4670467672, 9340935344, 18681870688]

約数ペア:

[(1, 18681870688), (2, 9340935344), (4, 4670467672), (8, 2335233836), (13, 1437066976), (16, 1167616918), (19, 983256352), (26, 718533488), (32, 583808459), (37, 504915424), (38, 491628176), (52, 359266744), (74, 252457712), (76, 245814088), (104, 179633372), (127, 147101344), (148, 126228856), (152, 122907044), (208, 89816686), (247, 75635104), (254, 73550672), (296, 63114428), (304, 61453522), (416, 44908343), (481, 38839648), (494, 37817552), (503, 37140896), (508, 36775336), (592, 31557214), (608, 30726761), (703, 26574496), (962, 19419824), (988, 18908776), (1006, 18570448), (1016, 18387668), (1184, 15778607), (1406, 13287248), (1651, 11315488), (1924, 9709912), (1976, 9454388), (2012, 9285224), (2032, 9193834), (2413, 7742176), (2812, 6643624), (3302, 5657744), (3848, 4854956), (3952, 4727194), (4024, 4642612), (4064, 4596917), (4699, 3975712), (4826, 3871088), (5624, 3321812), (6539, 2856992), (6604, 2828872), (7696, 2427478), (7904, 2363597), (8048, 2321306), (9139, 2044192), (9398, 1987856), (9557, 1954784), (9652, 1935544), (11248, 1660906), (13078, 1428496), (13208, 1414436), (15392, 1213739), (16096, 1160653), (18278, 1022096), (18611, 1003808), (18796, 993928), (19114, 977392), (19304, 967772), (22496, 830453), (26156, 714248), (26416, 707218), (31369, 595552), (36556, 511048), (37222, 501904), (37592, 496964), (38228, 488696), (38608, 483886), (52312, 357124), (52832, 353609), (61087, 305824), (62738, 297776), (63881, 292448), (73112, 255524), (74444, 250952), (75184, 248482), (76456, 244348), (77216, 241943), (89281, 209248), (104624, 178562), (122174, 152912), (124241, 150368), (125476, 148888), (127762, 146224)]