18443180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 26285140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1279, 1442, 2060, 2558, 2884, 3605, 5116, 6395, 7210, 8953, 12790, 14420, 17906, 25580, 35812, 44765, 89530, 131737, 179060, 263474, 526948, 658685, 922159, 1317370, 1844318, 2634740, 3688636, 4610795, 9221590, 18443180]

約数ペア:

[(1, 18443180), (2, 9221590), (4, 4610795), (5, 3688636), (7, 2634740), (10, 1844318), (14, 1317370), (20, 922159), (28, 658685), (35, 526948), (70, 263474), (103, 179060), (140, 131737), (206, 89530), (412, 44765), (515, 35812), (721, 25580), (1030, 17906), (1279, 14420), (1442, 12790), (2060, 8953), (2558, 7210), (2884, 6395), (3605, 5116)]