19553180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9137}}^1$

素因数の和:9253

約数の個数: 24

約数和(自身を含む): 41449968

約数和(自身を除く): 21896788

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9137, 18274, 36548, 45685, 91370, 182740, 977659, 1955318, 3910636, 4888295, 9776590, 19553180]

約数ペア:

[(1, 19553180), (2, 9776590), (4, 4888295), (5, 3910636), (10, 1955318), (20, 977659), (107, 182740), (214, 91370), (428, 45685), (535, 36548), (1070, 18274), (2140, 9137)]