19011303

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1543}}^1$

素因数の和:1623

約数の個数: 18

約数和(自身を含む): 28241304

約数和(自身を除く): 9230001

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1543, 4107, 4629, 12321, 13887, 57091, 171273, 513819, 2112367, 6337101, 19011303]

約数ペア:

[(1, 19011303), (3, 6337101), (9, 2112367), (37, 513819), (111, 171273), (333, 57091), (1369, 13887), (1543, 12321), (4107, 4629)]