18866848

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 54190080

約数和(自身を除く): 35323232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 31, 32, 38, 44, 52, 56, 62, 76, 77, 88, 91, 104, 112, 124, 133, 143, 152, 154, 176, 182, 208, 209, 217, 224, 247, 248, 266, 286, 304, 308, 341, 352, 364, 403, 416, 418, 434, 494, 496, 532, 572, 589, 608, 616, 682, 728, 806, 836, 868, 988, 992, 1001, 1064, 1144, 1178, 1232, 1364, 1456, 1463, 1612, 1672, 1729, 1736, 1976, 2002, 2128, 2288, 2356, 2387, 2464, 2717, 2728, 2821, 2912, 2926, 3224, 3344, 3458, 3472, 3952, 4004, 4123, 4256, 4433, 4576, 4712, 4774, 5434, 5456, 5642, 5852, 6448, 6479, 6688, 6916, 6944, 7657, 7904, 8008, 8246, 8866, 9424, 9548, 10868, 10912, 11284, 11704, 12896, 12958, 13832, 15314, 16016, 16492, 17732, 18848, 19019, 19096, 21736, 22568, 23408, 25916, 27664, 30628, 31031, 32032, 32984, 35464, 38038, 38192, 43472, 45136, 45353, 46816, 51832, 53599, 55328, 61256, 62062, 65968, 70928, 76076, 76384, 84227, 86944, 90272, 90706, 103664, 107198, 122512, 124124, 131936, 141856, 152152, 168454, 181412, 207328, 214396, 245024, 248248, 304304, 336908, 362824, 428792, 496496, 589589, 608608, 673816, 725648, 857584, 992992, 1179178, 1347632, 1451296, 1715168, 2358356, 2695264, 4716712, 9433424, 18866848]

約数ペア:

[(1, 18866848), (2, 9433424), (4, 4716712), (7, 2695264), (8, 2358356), (11, 1715168), (13, 1451296), (14, 1347632), (16, 1179178), (19, 992992), (22, 857584), (26, 725648), (28, 673816), (31, 608608), (32, 589589), (38, 496496), (44, 428792), (52, 362824), (56, 336908), (62, 304304), (76, 248248), (77, 245024), (88, 214396), (91, 207328), (104, 181412), (112, 168454), (124, 152152), (133, 141856), (143, 131936), (152, 124124), (154, 122512), (176, 107198), (182, 103664), (208, 90706), (209, 90272), (217, 86944), (224, 84227), (247, 76384), (248, 76076), (266, 70928), (286, 65968), (304, 62062), (308, 61256), (341, 55328), (352, 53599), (364, 51832), (403, 46816), (416, 45353), (418, 45136), (434, 43472), (494, 38192), (496, 38038), (532, 35464), (572, 32984), (589, 32032), (608, 31031), (616, 30628), (682, 27664), (728, 25916), (806, 23408), (836, 22568), (868, 21736), (988, 19096), (992, 19019), (1001, 18848), (1064, 17732), (1144, 16492), (1178, 16016), (1232, 15314), (1364, 13832), (1456, 12958), (1463, 12896), (1612, 11704), (1672, 11284), (1729, 10912), (1736, 10868), (1976, 9548), (2002, 9424), (2128, 8866), (2288, 8246), (2356, 8008), (2387, 7904), (2464, 7657), (2717, 6944), (2728, 6916), (2821, 6688), (2912, 6479), (2926, 6448), (3224, 5852), (3344, 5642), (3458, 5456), (3472, 5434), (3952, 4774), (4004, 4712), (4123, 4576), (4256, 4433)]