19191303

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6521}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 28696800

約数和(自身を除く): 9505497

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6521, 19563, 58689, 176067, 710789, 2132367, 6397101, 19191303]

約数ペア:

[(1, 19191303), (3, 6397101), (9, 2132367), (27, 710789), (109, 176067), (327, 58689), (981, 19563), (2943, 6521)]