19917708

素因数分解:

$2^2\times 3^1\times {\mathrm{1659809}}^1$

素因数の和:1659816

約数の個数: 12

約数和(自身を含む): 46474680

約数和(自身を除く): 26556972

約数列:

[1, 2, 3, 4, 6, 12, 1659809, 3319618, 4979427, 6639236, 9958854, 19917708]

約数ペア:

[(1, 19917708), (2, 9958854), (3, 6639236), (4, 4979427), (6, 3319618), (12, 1659809)]