19639188

素因数分解:

$2^2\times 3^2\times {\mathrm{545533}}^1$

素因数の和:545543

約数の個数: 18

約数和(自身を含む): 49643594

約数和(自身を除く): 30004406

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545533, 1091066, 1636599, 2182132, 3273198, 4909797, 6546396, 9819594, 19639188]

約数ペア:

[(1, 19639188), (2, 9819594), (3, 6546396), (4, 4909797), (6, 3273198), (9, 2182132), (12, 1636599), (18, 1091066), (36, 545533)]