18443740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 45222912

約数和(自身を除く): 26779172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2803, 3290, 5606, 6580, 11212, 14015, 19621, 28030, 39242, 56060, 78484, 98105, 131741, 196210, 263482, 392420, 526964, 658705, 922187, 1317410, 1844374, 2634820, 3688748, 4610935, 9221870, 18443740]

約数ペア:

[(1, 18443740), (2, 9221870), (4, 4610935), (5, 3688748), (7, 2634820), (10, 1844374), (14, 1317410), (20, 922187), (28, 658705), (35, 526964), (47, 392420), (70, 263482), (94, 196210), (140, 131741), (188, 98105), (235, 78484), (329, 56060), (470, 39242), (658, 28030), (940, 19621), (1316, 14015), (1645, 11212), (2803, 6580), (3290, 5606)]