1999367568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2218

約数の個数: 240

約数和(自身を含む): 6635765760

約数和(自身を除く): 4636398192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 31, 33, 36, 38, 44, 48, 57, 62, 66, 72, 76, 88, 93, 99, 114, 124, 132, 144, 152, 171, 176, 186, 198, 209, 228, 248, 264, 279, 304, 341, 342, 372, 396, 418, 456, 496, 528, 558, 589, 627, 682, 684, 744, 792, 836, 912, 1023, 1116, 1178, 1254, 1364, 1368, 1488, 1584, 1672, 1767, 1881, 2046, 2143, 2232, 2356, 2508, 2728, 2736, 3069, 3344, 3534, 3762, 4092, 4286, 4464, 4712, 5016, 5301, 5456, 6138, 6429, 6479, 7068, 7524, 8184, 8572, 9424, 10032, 10602, 12276, 12858, 12958, 14136, 15048, 16368, 17144, 19287, 19437, 21204, 23573, 24552, 25716, 25916, 28272, 30096, 34288, 38574, 38874, 40717, 42408, 47146, 49104, 51432, 51832, 58311, 66433, 70719, 77148, 77748, 81434, 84816, 94292, 102864, 103664, 116622, 122151, 132866, 141438, 154296, 155496, 162868, 188584, 199299, 212157, 233244, 244302, 265732, 282876, 308592, 310992, 325736, 366453, 377168, 398598, 424314, 447887, 466488, 488604, 531464, 565752, 597897, 651472, 730763, 732906, 797196, 848628, 895774, 932976, 977208, 1062928, 1131504, 1195794, 1262227, 1343661, 1461526, 1465812, 1594392, 1697256, 1791548, 1954416, 2192289, 2391588, 2524454, 2687322, 2923052, 2931624, 3188784, 3394512, 3583096, 3786681, 4030983, 4384578, 4783176, 5048908, 5374644, 5846104, 5863248, 6576867, 7166192, 7573362, 8061966, 8769156, 9566352, 10097816, 10749288, 11360043, 11692208, 13153734, 13884497, 15146724, 16123932, 17538312, 20195632, 21498576, 22720086, 26307468, 27768994, 30293448, 32247864, 35076624, 41653491, 45440172, 52614936, 55537988, 60586896, 64495728, 83306982, 90880344, 105229872, 111075976, 124960473, 166613964, 181760688, 222151952, 249920946, 333227928, 499841892, 666455856, 999683784, 1999367568]

約数ペア:

[(1, 1999367568), (2, 999683784), (3, 666455856), (4, 499841892), (6, 333227928), (8, 249920946), (9, 222151952), (11, 181760688), (12, 166613964), (16, 124960473), (18, 111075976), (19, 105229872), (22, 90880344), (24, 83306982), (31, 64495728), (33, 60586896), (36, 55537988), (38, 52614936), (44, 45440172), (48, 41653491), (57, 35076624), (62, 32247864), (66, 30293448), (72, 27768994), (76, 26307468), (88, 22720086), (93, 21498576), (99, 20195632), (114, 17538312), (124, 16123932), (132, 15146724), (144, 13884497), (152, 13153734), (171, 11692208), (176, 11360043), (186, 10749288), (198, 10097816), (209, 9566352), (228, 8769156), (248, 8061966), (264, 7573362), (279, 7166192), (304, 6576867), (341, 5863248), (342, 5846104), (372, 5374644), (396, 5048908), (418, 4783176), (456, 4384578), (496, 4030983), (528, 3786681), (558, 3583096), (589, 3394512), (627, 3188784), (682, 2931624), (684, 2923052), (744, 2687322), (792, 2524454), (836, 2391588), (912, 2192289), (1023, 1954416), (1116, 1791548), (1178, 1697256), (1254, 1594392), (1364, 1465812), (1368, 1461526), (1488, 1343661), (1584, 1262227), (1672, 1195794), (1767, 1131504), (1881, 1062928), (2046, 977208), (2143, 932976), (2232, 895774), (2356, 848628), (2508, 797196), (2728, 732906), (2736, 730763), (3069, 651472), (3344, 597897), (3534, 565752), (3762, 531464), (4092, 488604), (4286, 466488), (4464, 447887), (4712, 424314), (5016, 398598), (5301, 377168), (5456, 366453), (6138, 325736), (6429, 310992), (6479, 308592), (7068, 282876), (7524, 265732), (8184, 244302), (8572, 233244), (9424, 212157), (10032, 199299), (10602, 188584), (12276, 162868), (12858, 155496), (12958, 154296), (14136, 141438), (15048, 132866), (16368, 122151), (17144, 116622), (19287, 103664), (19437, 102864), (21204, 94292), (23573, 84816), (24552, 81434), (25716, 77748), (25916, 77148), (28272, 70719), (30096, 66433), (34288, 58311), (38574, 51832), (38874, 51432), (40717, 49104), (42408, 47146)]