19169423

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11087}}^1$

素因数の和:11126

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 5667697

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11087, 77609, 144131, 210653, 1008917, 1474571, 2738489, 19169423]

約数ペア:

[(1, 19169423), (7, 2738489), (13, 1474571), (19, 1008917), (91, 210653), (133, 144131), (247, 77609), (1729, 11087)]