19993472568

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1191

約数の個数: 256

約数和(自身を含む): 60338995200

約数和(自身を除く): 40345522632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 31, 36, 46, 54, 62, 69, 72, 92, 93, 108, 124, 131, 138, 184, 186, 207, 216, 248, 262, 276, 279, 372, 393, 414, 524, 552, 558, 621, 713, 744, 786, 828, 837, 991, 1048, 1116, 1179, 1242, 1426, 1572, 1656, 1674, 1982, 2139, 2232, 2358, 2484, 2852, 2973, 3013, 3144, 3348, 3537, 3964, 4061, 4278, 4716, 4968, 5704, 5946, 6026, 6417, 6696, 7074, 7928, 8122, 8556, 8919, 9039, 9432, 11892, 12052, 12183, 12834, 14148, 16244, 17112, 17838, 18078, 19251, 22793, 23784, 24104, 24366, 25668, 26757, 27117, 28296, 30721, 32488, 35676, 36156, 36549, 38502, 45586, 48732, 51336, 53514, 54234, 61442, 68379, 71352, 72312, 73098, 77004, 81351, 91172, 92163, 93403, 97464, 107028, 108468, 109647, 122884, 129821, 136758, 146196, 154008, 162702, 182344, 184326, 186806, 205137, 214056, 216936, 219294, 245768, 259642, 273516, 276489, 280209, 292392, 325404, 368652, 373612, 389463, 410274, 438588, 519284, 547032, 552978, 560418, 615411, 650808, 706583, 737304, 747224, 778926, 820548, 829467, 840627, 877176, 1038568, 1105956, 1120836, 1168389, 1230822, 1413166, 1557852, 1641096, 1658934, 1681254, 2119749, 2211912, 2241672, 2336778, 2461644, 2521881, 2826332, 2985883, 3115704, 3317868, 3362508, 3505167, 4024451, 4239498, 4673556, 4923288, 5043762, 5652664, 5971766, 6359247, 6635736, 6725016, 7010334, 8048902, 8478996, 8957649, 9347112, 10087524, 11943532, 12073353, 12718494, 14020668, 16097804, 16957992, 17915298, 19077741, 20175048, 23887064, 24146706, 25436988, 26872947, 28041336, 32195608, 35830596, 36220059, 38155482, 48293412, 50873976, 53745894, 71661192, 72440118, 76310964, 80618841, 92562373, 96586824, 107491788, 108660177, 144880236, 152621928, 161237682, 185124746, 214983576, 217320354, 277687119, 289760472, 322475364, 370249492, 434640708, 555374238, 644950728, 740498984, 833061357, 869281416, 1110748476, 1666122714, 2221496952, 2499184071, 3332245428, 4998368142, 6664490856, 9996736284, 19993472568]

約数ペア:

[(1, 19993472568), (2, 9996736284), (3, 6664490856), (4, 4998368142), (6, 3332245428), (8, 2499184071), (9, 2221496952), (12, 1666122714), (18, 1110748476), (23, 869281416), (24, 833061357), (27, 740498984), (31, 644950728), (36, 555374238), (46, 434640708), (54, 370249492), (62, 322475364), (69, 289760472), (72, 277687119), (92, 217320354), (93, 214983576), (108, 185124746), (124, 161237682), (131, 152621928), (138, 144880236), (184, 108660177), (186, 107491788), (207, 96586824), (216, 92562373), (248, 80618841), (262, 76310964), (276, 72440118), (279, 71661192), (372, 53745894), (393, 50873976), (414, 48293412), (524, 38155482), (552, 36220059), (558, 35830596), (621, 32195608), (713, 28041336), (744, 26872947), (786, 25436988), (828, 24146706), (837, 23887064), (991, 20175048), (1048, 19077741), (1116, 17915298), (1179, 16957992), (1242, 16097804), (1426, 14020668), (1572, 12718494), (1656, 12073353), (1674, 11943532), (1982, 10087524), (2139, 9347112), (2232, 8957649), (2358, 8478996), (2484, 8048902), (2852, 7010334), (2973, 6725016), (3013, 6635736), (3144, 6359247), (3348, 5971766), (3537, 5652664), (3964, 5043762), (4061, 4923288), (4278, 4673556), (4716, 4239498), (4968, 4024451), (5704, 3505167), (5946, 3362508), (6026, 3317868), (6417, 3115704), (6696, 2985883), (7074, 2826332), (7928, 2521881), (8122, 2461644), (8556, 2336778), (8919, 2241672), (9039, 2211912), (9432, 2119749), (11892, 1681254), (12052, 1658934), (12183, 1641096), (12834, 1557852), (14148, 1413166), (16244, 1230822), (17112, 1168389), (17838, 1120836), (18078, 1105956), (19251, 1038568), (22793, 877176), (23784, 840627), (24104, 829467), (24366, 820548), (25668, 778926), (26757, 747224), (27117, 737304), (28296, 706583), (30721, 650808), (32488, 615411), (35676, 560418), (36156, 552978), (36549, 547032), (38502, 519284), (45586, 438588), (48732, 410274), (51336, 389463), (53514, 373612), (54234, 368652), (61442, 325404), (68379, 292392), (71352, 280209), (72312, 276489), (73098, 273516), (77004, 259642), (81351, 245768), (91172, 219294), (92163, 216936), (93403, 214056), (97464, 205137), (107028, 186806), (108468, 184326), (109647, 182344), (122884, 162702), (129821, 154008), (136758, 146196)]