19671509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5981}}^1$

素因数の和:6028

約数の個数: 16

約数和(自身を含む): 24119424

約数和(自身を除く): 4447915

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 5981, 65791, 77753, 137563, 855283, 1513193, 1788319, 19671509]

約数ペア:

[(1, 19671509), (11, 1788319), (13, 1513193), (23, 855283), (143, 137563), (253, 77753), (299, 65791), (3289, 5981)]