19502420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139303}}^1$

素因数の和:139319

約数の個数: 24

約数和(自身を含む): 46806144

約数和(自身を除く): 27303724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139303, 278606, 557212, 696515, 975121, 1393030, 1950242, 2786060, 3900484, 4875605, 9751210, 19502420]

約数ペア:

[(1, 19502420), (2, 9751210), (4, 4875605), (5, 3900484), (7, 2786060), (10, 1950242), (14, 1393030), (20, 975121), (28, 696515), (35, 557212), (70, 278606), (140, 139303)]