19394155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 27221760

約数和(自身を除く): 7827605

約数列:

[1, 5, 11, 19, 55, 67, 95, 209, 277, 335, 737, 1045, 1273, 1385, 3047, 3685, 5263, 6365, 14003, 15235, 18559, 26315, 57893, 70015, 92795, 204149, 289465, 352621, 1020745, 1763105, 3878831, 19394155]

約数ペア:

[(1, 19394155), (5, 3878831), (11, 1763105), (19, 1020745), (55, 352621), (67, 289465), (95, 204149), (209, 92795), (277, 70015), (335, 57893), (737, 26315), (1045, 18559), (1273, 15235), (1385, 14003), (3047, 6365), (3685, 5263)]