19028085

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1979}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 30507840

約数和(自身を除く): 11479755

約数列:

[1, 3, 5, 15, 641, 1923, 1979, 3205, 5937, 9615, 9895, 29685, 1268539, 3805617, 6342695, 19028085]

約数ペア:

[(1, 19028085), (3, 6342695), (5, 3805617), (15, 1268539), (641, 29685), (1923, 9895), (1979, 9615), (3205, 5937)]