19114225540

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{447221}}^1$

素因数の和:449367

約数の個数: 24

約数和(自身を含む): 40158746712

約数和(自身を除く): 21044521172

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 8548, 10685, 21370, 42740, 447221, 894442, 1788884, 2236105, 4472210, 8944420, 955711277, 1911422554, 3822845108, 4778556385, 9557112770, 19114225540]

約数ペア:

[(1, 19114225540), (2, 9557112770), (4, 4778556385), (5, 3822845108), (10, 1911422554), (20, 955711277), (2137, 8944420), (4274, 4472210), (8548, 2236105), (10685, 1788884), (21370, 894442), (42740, 447221)]