18992512

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 49351680

約数和(自身を除く): 30359168

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 47, 56, 64, 77, 82, 88, 94, 112, 128, 154, 164, 176, 188, 224, 287, 308, 328, 329, 352, 376, 448, 451, 517, 574, 616, 656, 658, 704, 752, 896, 902, 1034, 1148, 1232, 1312, 1316, 1408, 1504, 1804, 1927, 2068, 2296, 2464, 2624, 2632, 3008, 3157, 3608, 3619, 3854, 4136, 4592, 4928, 5248, 5264, 6016, 6314, 7216, 7238, 7708, 8272, 9184, 9856, 10528, 12628, 13489, 14432, 14476, 15416, 16544, 18368, 21056, 21197, 25256, 26978, 28864, 28952, 30832, 33088, 36736, 42112, 42394, 50512, 53956, 57728, 57904, 61664, 66176, 84788, 101024, 107912, 115808, 123328, 148379, 169576, 202048, 215824, 231616, 246656, 296758, 339152, 404096, 431648, 463232, 593516, 678304, 863296, 1187032, 1356608, 1726592, 2374064, 2713216, 4748128, 9496256, 18992512]

約数ペア:

[(1, 18992512), (2, 9496256), (4, 4748128), (7, 2713216), (8, 2374064), (11, 1726592), (14, 1356608), (16, 1187032), (22, 863296), (28, 678304), (32, 593516), (41, 463232), (44, 431648), (47, 404096), (56, 339152), (64, 296758), (77, 246656), (82, 231616), (88, 215824), (94, 202048), (112, 169576), (128, 148379), (154, 123328), (164, 115808), (176, 107912), (188, 101024), (224, 84788), (287, 66176), (308, 61664), (328, 57904), (329, 57728), (352, 53956), (376, 50512), (448, 42394), (451, 42112), (517, 36736), (574, 33088), (616, 30832), (656, 28952), (658, 28864), (704, 26978), (752, 25256), (896, 21197), (902, 21056), (1034, 18368), (1148, 16544), (1232, 15416), (1312, 14476), (1316, 14432), (1408, 13489), (1504, 12628), (1804, 10528), (1927, 9856), (2068, 9184), (2296, 8272), (2464, 7708), (2624, 7238), (2632, 7216), (3008, 6314), (3157, 6016), (3608, 5264), (3619, 5248), (3854, 4928), (4136, 4592)]