19867986

素因数分解:

$2^1\times 3^2\times {\mathrm{863}}^1\times {\mathrm{1279}}^1$

素因数の和:2150

約数の個数: 24

約数和(自身を含む): 43130880

約数和(自身を除く): 23262894

約数列:

[1, 2, 3, 6, 9, 18, 863, 1279, 1726, 2558, 2589, 3837, 5178, 7674, 7767, 11511, 15534, 23022, 1103777, 2207554, 3311331, 6622662, 9933993, 19867986]

約数ペア:

[(1, 19867986), (2, 9933993), (3, 6622662), (6, 3311331), (9, 2207554), (18, 1103777), (863, 23022), (1279, 15534), (1726, 11511), (2558, 7767), (2589, 7674), (3837, 5178)]