19786090

素因数分解:

$2^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2663}}^1$

素因数の和:3413

約数の個数: 16

約数和(自身を含む): 35676288

約数和(自身を除く): 15890198

約数列:

[1, 2, 5, 10, 743, 1486, 2663, 3715, 5326, 7430, 13315, 26630, 1978609, 3957218, 9893045, 19786090]

約数ペア:

[(1, 19786090), (2, 9893045), (5, 3957218), (10, 1978609), (743, 26630), (1486, 13315), (2663, 7430), (3715, 5326)]