19918444728

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1531}}^1$

素因数の和:1627

約数の個数: 384

約数和(自身を含む): 66897169920

約数和(自身を除く): 46978725192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 37, 39, 42, 46, 49, 52, 56, 69, 74, 78, 84, 91, 92, 98, 104, 111, 138, 147, 148, 156, 161, 168, 182, 184, 196, 222, 259, 273, 276, 294, 296, 299, 312, 322, 364, 392, 444, 481, 483, 518, 546, 552, 588, 598, 637, 644, 728, 777, 851, 888, 897, 962, 966, 1036, 1092, 1127, 1176, 1196, 1274, 1288, 1443, 1531, 1554, 1702, 1794, 1813, 1911, 1924, 1932, 2072, 2093, 2184, 2254, 2392, 2548, 2553, 2886, 3062, 3108, 3367, 3381, 3404, 3588, 3626, 3822, 3848, 3864, 4186, 4508, 4593, 5096, 5106, 5439, 5772, 5957, 6124, 6216, 6279, 6734, 6762, 6808, 7176, 7252, 7644, 8372, 9016, 9186, 10101, 10212, 10717, 10878, 11063, 11544, 11914, 12248, 12558, 13468, 13524, 14504, 14651, 15288, 16744, 17871, 18372, 19903, 20202, 20424, 21434, 21756, 22126, 23569, 23828, 25116, 26936, 27048, 29302, 32151, 33189, 35213, 35742, 36744, 39806, 40404, 41699, 42868, 43512, 43953, 44252, 47138, 47656, 50232, 56647, 58604, 59709, 64302, 66378, 70426, 70707, 71484, 75019, 77441, 79612, 80808, 83398, 85736, 87906, 88504, 94276, 105639, 113294, 117208, 119418, 125097, 128604, 132756, 139321, 140852, 141414, 142968, 150038, 154882, 159224, 166796, 169941, 175812, 188552, 211278, 225057, 226588, 232323, 238836, 246491, 250194, 257208, 265512, 278642, 281704, 282828, 300076, 309764, 333592, 339882, 351624, 396529, 417963, 422556, 450114, 453176, 457769, 464646, 477672, 492982, 500388, 542087, 557284, 565656, 600152, 619528, 679764, 736411, 739473, 793058, 835926, 845112, 900228, 915538, 929292, 975247, 985964, 1000776, 1084174, 1114568, 1189587, 1302881, 1359528, 1373307, 1472822, 1478946, 1586116, 1626261, 1671852, 1725437, 1800456, 1831076, 1858584, 1950494, 1971928, 2168348, 2209233, 2379174, 2605762, 2746614, 2775703, 2925741, 2945644, 2957892, 3172232, 3204383, 3252522, 3343704, 3450874, 3662152, 3900988, 3908643, 4336696, 4418466, 4758348, 5154877, 5176311, 5211524, 5493228, 5551406, 5851482, 5891288, 5915784, 6408766, 6505044, 6901748, 7801976, 7817286, 8327109, 8836932, 9120167, 9516696, 9613149, 10309754, 10352622, 10423048, 10986456, 11102812, 11702964, 12817532, 13010088, 13803496, 15464631, 15634572, 16654218, 16937453, 17673864, 18240334, 19226298, 20619508, 20705244, 22205624, 22430681, 23405928, 25635064, 27360501, 30929262, 31269144, 33308436, 33874906, 36084139, 36480668, 38452596, 41239016, 41410488, 44861362, 50812359, 54721002, 61858524, 63841169, 66616872, 67292043, 67749812, 72168278, 72961336, 76905192, 89722724, 101624718, 108252417, 109442004, 118562171, 123717048, 127682338, 134584086, 135499624, 144336556, 179445448, 191523507, 203249436, 216504834, 218884008, 237124342, 255364676, 269168172, 288673112, 355686513, 383047014, 406498872, 433009668, 474248684, 510729352, 538336344, 711373026, 766094028, 829935197, 866019336, 948497368, 1422746052, 1532188056, 1659870394, 2489805591, 2845492104, 3319740788, 4979611182, 6639481576, 9959222364, 19918444728]

約数ペア:

[(1, 19918444728), (2, 9959222364), (3, 6639481576), (4, 4979611182), (6, 3319740788), (7, 2845492104), (8, 2489805591), (12, 1659870394), (13, 1532188056), (14, 1422746052), (21, 948497368), (23, 866019336), (24, 829935197), (26, 766094028), (28, 711373026), (37, 538336344), (39, 510729352), (42, 474248684), (46, 433009668), (49, 406498872), (52, 383047014), (56, 355686513), (69, 288673112), (74, 269168172), (78, 255364676), (84, 237124342), (91, 218884008), (92, 216504834), (98, 203249436), (104, 191523507), (111, 179445448), (138, 144336556), (147, 135499624), (148, 134584086), (156, 127682338), (161, 123717048), (168, 118562171), (182, 109442004), (184, 108252417), (196, 101624718), (222, 89722724), (259, 76905192), (273, 72961336), (276, 72168278), (294, 67749812), (296, 67292043), (299, 66616872), (312, 63841169), (322, 61858524), (364, 54721002), (392, 50812359), (444, 44861362), (481, 41410488), (483, 41239016), (518, 38452596), (546, 36480668), (552, 36084139), (588, 33874906), (598, 33308436), (637, 31269144), (644, 30929262), (728, 27360501), (777, 25635064), (851, 23405928), (888, 22430681), (897, 22205624), (962, 20705244), (966, 20619508), (1036, 19226298), (1092, 18240334), (1127, 17673864), (1176, 16937453), (1196, 16654218), (1274, 15634572), (1288, 15464631), (1443, 13803496), (1531, 13010088), (1554, 12817532), (1702, 11702964), (1794, 11102812), (1813, 10986456), (1911, 10423048), (1924, 10352622), (1932, 10309754), (2072, 9613149), (2093, 9516696), (2184, 9120167), (2254, 8836932), (2392, 8327109), (2548, 7817286), (2553, 7801976), (2886, 6901748), (3062, 6505044), (3108, 6408766), (3367, 5915784), (3381, 5891288), (3404, 5851482), (3588, 5551406), (3626, 5493228), (3822, 5211524), (3848, 5176311), (3864, 5154877), (4186, 4758348), (4508, 4418466), (4593, 4336696), (5096, 3908643), (5106, 3900988), (5439, 3662152), (5772, 3450874), (5957, 3343704), (6124, 3252522), (6216, 3204383), (6279, 3172232), (6734, 2957892), (6762, 2945644), (6808, 2925741), (7176, 2775703), (7252, 2746614), (7644, 2605762), (8372, 2379174), (9016, 2209233), (9186, 2168348), (10101, 1971928), (10212, 1950494), (10717, 1858584), (10878, 1831076), (11063, 1800456), (11544, 1725437), (11914, 1671852), (12248, 1626261), (12558, 1586116), (13468, 1478946), (13524, 1472822), (14504, 1373307), (14651, 1359528), (15288, 1302881), (16744, 1189587), (17871, 1114568), (18372, 1084174), (19903, 1000776), (20202, 985964), (20424, 975247), (21434, 929292), (21756, 915538), (22126, 900228), (23569, 845112), (23828, 835926), (25116, 793058), (26936, 739473), (27048, 736411), (29302, 679764), (32151, 619528), (33189, 600152), (35213, 565656), (35742, 557284), (36744, 542087), (39806, 500388), (40404, 492982), (41699, 477672), (42868, 464646), (43512, 457769), (43953, 453176), (44252, 450114), (47138, 422556), (47656, 417963), (50232, 396529), (56647, 351624), (58604, 339882), (59709, 333592), (64302, 309764), (66378, 300076), (70426, 282828), (70707, 281704), (71484, 278642), (75019, 265512), (77441, 257208), (79612, 250194), (80808, 246491), (83398, 238836), (85736, 232323), (87906, 226588), (88504, 225057), (94276, 211278), (105639, 188552), (113294, 175812), (117208, 169941), (119418, 166796), (125097, 159224), (128604, 154882), (132756, 150038), (139321, 142968), (140852, 141414)]