19454740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9091}}^1$

素因数の和:9207

約数の個数: 24

約数和(自身を含む): 41241312

約数和(自身を除く): 21786572

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9091, 18182, 36364, 45455, 90910, 181820, 972737, 1945474, 3890948, 4863685, 9727370, 19454740]

約数ペア:

[(1, 19454740), (2, 9727370), (4, 4863685), (5, 3890948), (10, 1945474), (20, 972737), (107, 181820), (214, 90910), (428, 45455), (535, 36364), (1070, 18182), (2140, 9091)]