19850319

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{6871}}^1$

素因数の和:6987

約数の個数: 16

約数和(自身を含む): 29687040

約数和(自身を除く): 9836721

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 6871, 20613, 61839, 185517, 735197, 2205591, 6616773, 19850319]

約数ペア:

[(1, 19850319), (3, 6616773), (9, 2205591), (27, 735197), (107, 185517), (321, 61839), (963, 20613), (2889, 6871)]