19145728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2671}}^1$

素因数の和:2698

約数の個数: 44

約数和(自身を含む): 43756672

約数和(自身を除く): 24610944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2671, 3584, 5342, 7168, 10684, 18697, 21368, 37394, 42736, 74788, 85472, 149576, 170944, 299152, 341888, 598304, 683776, 1196608, 1367552, 2393216, 2735104, 4786432, 9572864, 19145728]

約数ペア:

[(1, 19145728), (2, 9572864), (4, 4786432), (7, 2735104), (8, 2393216), (14, 1367552), (16, 1196608), (28, 683776), (32, 598304), (56, 341888), (64, 299152), (112, 170944), (128, 149576), (224, 85472), (256, 74788), (448, 42736), (512, 37394), (896, 21368), (1024, 18697), (1792, 10684), (2671, 7168), (3584, 5342)]