18515728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 48345120

約数和(自身を除く): 29829392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 113, 133, 152, 154, 176, 196, 209, 226, 266, 304, 308, 392, 418, 452, 532, 539, 616, 784, 791, 836, 904, 931, 1064, 1078, 1232, 1243, 1463, 1582, 1672, 1808, 1862, 2128, 2147, 2156, 2486, 2926, 3164, 3344, 3724, 4294, 4312, 4972, 5537, 5852, 6328, 7448, 8588, 8624, 8701, 9944, 10241, 11074, 11704, 12656, 14896, 15029, 17176, 17402, 19888, 20482, 22148, 23408, 23617, 30058, 34352, 34804, 40964, 44296, 47234, 60116, 60907, 69608, 81928, 88592, 94468, 105203, 120232, 121814, 139216, 163856, 165319, 188936, 210406, 240464, 243628, 330638, 377872, 420812, 487256, 661276, 841624, 974512, 1157233, 1322552, 1683248, 2314466, 2645104, 4628932, 9257864, 18515728]

約数ペア:

[(1, 18515728), (2, 9257864), (4, 4628932), (7, 2645104), (8, 2314466), (11, 1683248), (14, 1322552), (16, 1157233), (19, 974512), (22, 841624), (28, 661276), (38, 487256), (44, 420812), (49, 377872), (56, 330638), (76, 243628), (77, 240464), (88, 210406), (98, 188936), (112, 165319), (113, 163856), (133, 139216), (152, 121814), (154, 120232), (176, 105203), (196, 94468), (209, 88592), (226, 81928), (266, 69608), (304, 60907), (308, 60116), (392, 47234), (418, 44296), (452, 40964), (532, 34804), (539, 34352), (616, 30058), (784, 23617), (791, 23408), (836, 22148), (904, 20482), (931, 19888), (1064, 17402), (1078, 17176), (1232, 15029), (1243, 14896), (1463, 12656), (1582, 11704), (1672, 11074), (1808, 10241), (1862, 9944), (2128, 8701), (2147, 8624), (2156, 8588), (2486, 7448), (2926, 6328), (3164, 5852), (3344, 5537), (3724, 4972), (4294, 4312)]