19347807

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6590

約数の個数: 16

約数和(自身を含む): 27548928

約数和(自身を除く): 8201121

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6521, 19563, 149983, 280403, 449949, 841209, 6449269, 19347807]

約数ペア:

[(1, 19347807), (3, 6449269), (23, 841209), (43, 449949), (69, 280403), (129, 149983), (989, 19563), (2967, 6521)]