19017855

素因数分解:

$3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 15023745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 179, 537, 787, 895, 1611, 2361, 2685, 3935, 4833, 7083, 8055, 11805, 21249, 24165, 35415, 106245, 140873, 422619, 704365, 1267857, 2113095, 3803571, 6339285, 19017855]

約数ペア:

[(1, 19017855), (3, 6339285), (5, 3803571), (9, 2113095), (15, 1267857), (27, 704365), (45, 422619), (135, 140873), (179, 106245), (537, 35415), (787, 24165), (895, 21249), (1611, 11805), (2361, 8055), (2685, 7083), (3935, 4833)]