19967067

素因数分解:

$3^5\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 10224549

約数列:

[1, 3, 9, 27, 81, 127, 243, 381, 647, 1143, 1941, 3429, 5823, 10287, 17469, 30861, 52407, 82169, 157221, 246507, 739521, 2218563, 6655689, 19967067]

約数ペア:

[(1, 19967067), (3, 6655689), (9, 2218563), (27, 739521), (81, 246507), (127, 157221), (243, 82169), (381, 52407), (647, 30861), (1143, 17469), (1941, 10287), (3429, 5823)]