18720577792

素因数分解:

$2^8\times 7^5\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 216

約数和(自身を含む): 46090564800

約数和(自身を除く): 27369987008

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 229, 256, 266, 304, 343, 392, 448, 458, 532, 608, 686, 784, 896, 916, 931, 1064, 1216, 1372, 1568, 1603, 1792, 1832, 1862, 2128, 2401, 2432, 2744, 3136, 3206, 3664, 3724, 4256, 4351, 4802, 4864, 5488, 6272, 6412, 6517, 7328, 7448, 8512, 8702, 9604, 10976, 11221, 12544, 12824, 13034, 14656, 14896, 16807, 17024, 17404, 19208, 21952, 22442, 25648, 26068, 29312, 29792, 30457, 33614, 34048, 34808, 38416, 43904, 44884, 45619, 51296, 52136, 58624, 59584, 60914, 67228, 69616, 76832, 78547, 87808, 89768, 91238, 102592, 104272, 119168, 121828, 134456, 139232, 153664, 157094, 179536, 182476, 205184, 208544, 213199, 238336, 243656, 268912, 278464, 307328, 314188, 319333, 359072, 364952, 410368, 417088, 426398, 487312, 537824, 549829, 556928, 614656, 628376, 638666, 718144, 729904, 834176, 852796, 974624, 1075648, 1099658, 1113856, 1256752, 1277332, 1436288, 1459808, 1492393, 1668352, 1705592, 1949248, 2151296, 2199316, 2513504, 2554664, 2872576, 2919616, 2984786, 3411184, 3848803, 3898496, 4302592, 4398632, 5027008, 5109328, 5839232, 5969572, 6822368, 7697606, 7796992, 8797264, 10054016, 10218656, 10446751, 11678464, 11939144, 13644736, 15395212, 17594528, 20108032, 20437312, 20893502, 23878288, 27289472, 30790424, 35189056, 40874624, 41787004, 47756576, 54578944, 61580848, 70378112, 73127257, 81749248, 83574008, 95513152, 123161696, 140756224, 146254514, 167148016, 191026304, 246323392, 292509028, 334296032, 382052608, 492646784, 585018056, 668592064, 985293568, 1170036112, 1337184128, 2340072224, 2674368256, 4680144448, 9360288896, 18720577792]

約数ペア:

[(1, 18720577792), (2, 9360288896), (4, 4680144448), (7, 2674368256), (8, 2340072224), (14, 1337184128), (16, 1170036112), (19, 985293568), (28, 668592064), (32, 585018056), (38, 492646784), (49, 382052608), (56, 334296032), (64, 292509028), (76, 246323392), (98, 191026304), (112, 167148016), (128, 146254514), (133, 140756224), (152, 123161696), (196, 95513152), (224, 83574008), (229, 81749248), (256, 73127257), (266, 70378112), (304, 61580848), (343, 54578944), (392, 47756576), (448, 41787004), (458, 40874624), (532, 35189056), (608, 30790424), (686, 27289472), (784, 23878288), (896, 20893502), (916, 20437312), (931, 20108032), (1064, 17594528), (1216, 15395212), (1372, 13644736), (1568, 11939144), (1603, 11678464), (1792, 10446751), (1832, 10218656), (1862, 10054016), (2128, 8797264), (2401, 7796992), (2432, 7697606), (2744, 6822368), (3136, 5969572), (3206, 5839232), (3664, 5109328), (3724, 5027008), (4256, 4398632), (4351, 4302592), (4802, 3898496), (4864, 3848803), (5488, 3411184), (6272, 2984786), (6412, 2919616), (6517, 2872576), (7328, 2554664), (7448, 2513504), (8512, 2199316), (8702, 2151296), (9604, 1949248), (10976, 1705592), (11221, 1668352), (12544, 1492393), (12824, 1459808), (13034, 1436288), (14656, 1277332), (14896, 1256752), (16807, 1113856), (17024, 1099658), (17404, 1075648), (19208, 974624), (21952, 852796), (22442, 834176), (25648, 729904), (26068, 718144), (29312, 638666), (29792, 628376), (30457, 614656), (33614, 556928), (34048, 549829), (34808, 537824), (38416, 487312), (43904, 426398), (44884, 417088), (45619, 410368), (51296, 364952), (52136, 359072), (58624, 319333), (59584, 314188), (60914, 307328), (67228, 278464), (69616, 268912), (76832, 243656), (78547, 238336), (87808, 213199), (89768, 208544), (91238, 205184), (102592, 182476), (104272, 179536), (119168, 157094), (121828, 153664), (134456, 139232)]