20181112

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1301}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 43434720

約数和(自身を除く): 23253608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1301, 1939, 2216, 2602, 3878, 5204, 7756, 9107, 10408, 15512, 18214, 36428, 72856, 360377, 720754, 1441508, 2522639, 2883016, 5045278, 10090556, 20181112]

約数ペア:

[(1, 20181112), (2, 10090556), (4, 5045278), (7, 2883016), (8, 2522639), (14, 1441508), (28, 720754), (56, 360377), (277, 72856), (554, 36428), (1108, 18214), (1301, 15512), (1939, 10408), (2216, 9107), (2602, 7756), (3878, 5204)]