19440515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4759}}^1$

素因数の和:4826

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 5692285

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4759, 23795, 90421, 204637, 452105, 1023185, 3888103, 19440515]

約数ペア:

[(1, 19440515), (5, 3888103), (19, 1023185), (43, 452105), (95, 204637), (215, 90421), (817, 23795), (4085, 4759)]