19961180

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1483}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 42009072

約数和(自身を除く): 22047892

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 1483, 2692, 2966, 3365, 5932, 6730, 7415, 13460, 14830, 29660, 998059, 1996118, 3992236, 4990295, 9980590, 19961180]

約数ペア:

[(1, 19961180), (2, 9980590), (4, 4990295), (5, 3992236), (10, 1996118), (20, 998059), (673, 29660), (1346, 14830), (1483, 13460), (2692, 7415), (2966, 6730), (3365, 5932)]