19486955

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 24092640

約数和(自身を除く): 4605685

約数列:

[1, 5, 43, 215, 233, 389, 1165, 1945, 10019, 16727, 50095, 83635, 90637, 453185, 3897391, 19486955]

約数ペア:

[(1, 19486955), (5, 3897391), (43, 453185), (215, 90637), (233, 83635), (389, 50095), (1165, 16727), (1945, 10019)]