18070340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22037}}^1$

素因数の和:22087

約数の個数: 24

約数和(自身を含む): 38875032

約数和(自身を除く): 20804692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22037, 44074, 88148, 110185, 220370, 440740, 903517, 1807034, 3614068, 4517585, 9035170, 18070340]

約数ペア:

[(1, 18070340), (2, 9035170), (4, 4517585), (5, 3614068), (10, 1807034), (20, 903517), (41, 440740), (82, 220370), (164, 110185), (205, 88148), (410, 44074), (820, 22037)]