18758656

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2617}}^1$

素因数の和:2644

約数の個数: 44

約数和(自身を含む): 42872368

約数和(自身を除く): 24113712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2617, 3584, 5234, 7168, 10468, 18319, 20936, 36638, 41872, 73276, 83744, 146552, 167488, 293104, 334976, 586208, 669952, 1172416, 1339904, 2344832, 2679808, 4689664, 9379328, 18758656]

約数ペア:

[(1, 18758656), (2, 9379328), (4, 4689664), (7, 2679808), (8, 2344832), (14, 1339904), (16, 1172416), (28, 669952), (32, 586208), (56, 334976), (64, 293104), (112, 167488), (128, 146552), (224, 83744), (256, 73276), (448, 41872), (512, 36638), (896, 20936), (1024, 18319), (1792, 10468), (2617, 7168), (3584, 5234)]