1898740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 4021920

約数和(自身を除く): 2123180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 683, 695, 1366, 1390, 2732, 2780, 3415, 6830, 13660, 94937, 189874, 379748, 474685, 949370, 1898740]

約数ペア:

[(1, 1898740), (2, 949370), (4, 474685), (5, 379748), (10, 189874), (20, 94937), (139, 13660), (278, 6830), (556, 3415), (683, 2780), (695, 2732), (1366, 1390)]