19538997

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1852

約数の個数: 16

約数和(自身を含む): 27031680

約数和(自身を除く): 7492683

約数列:

[1, 3, 37, 103, 111, 309, 1709, 3811, 5127, 11433, 63233, 176027, 189699, 528081, 6512999, 19538997]

約数ペア:

[(1, 19538997), (3, 6512999), (37, 528081), (103, 189699), (111, 176027), (309, 63233), (1709, 11433), (3811, 5127)]