19880220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331337}}^1$

素因数の和:331349

約数の個数: 24

約数和(自身を含む): 55664784

約数和(自身を除く): 35784564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331337, 662674, 994011, 1325348, 1656685, 1988022, 3313370, 3976044, 4970055, 6626740, 9940110, 19880220]

約数ペア:

[(1, 19880220), (2, 9940110), (3, 6626740), (4, 4970055), (5, 3976044), (6, 3313370), (10, 1988022), (12, 1656685), (15, 1325348), (20, 994011), (30, 662674), (60, 331337)]