18629408

素因数分解:

$2^5\times 7^2\times {\mathrm{109}}^2$

素因数の和:242

約数の個数: 54

約数和(自身を含む): 43059681

約数和(自身を除く): 24430273

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 109, 112, 196, 218, 224, 392, 436, 763, 784, 872, 1526, 1568, 1744, 3052, 3488, 5341, 6104, 10682, 11881, 12208, 21364, 23762, 24416, 42728, 47524, 83167, 85456, 95048, 166334, 170912, 190096, 332668, 380192, 582169, 665336, 1164338, 1330672, 2328676, 2661344, 4657352, 9314704, 18629408]

約数ペア:

[(1, 18629408), (2, 9314704), (4, 4657352), (7, 2661344), (8, 2328676), (14, 1330672), (16, 1164338), (28, 665336), (32, 582169), (49, 380192), (56, 332668), (98, 190096), (109, 170912), (112, 166334), (196, 95048), (218, 85456), (224, 83167), (392, 47524), (436, 42728), (763, 24416), (784, 23762), (872, 21364), (1526, 12208), (1568, 11881), (1744, 10682), (3052, 6104), (3488, 5341)]