19491678

素因数分解:

$2^1\times 3^4\times {\mathrm{120319}}^1$

素因数の和:120333

約数の個数: 20

約数和(自身を含む): 43676160

約数和(自身を除く): 24184482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 120319, 240638, 360957, 721914, 1082871, 2165742, 3248613, 6497226, 9745839, 19491678]

約数ペア:

[(1, 19491678), (2, 9745839), (3, 6497226), (6, 3248613), (9, 2165742), (18, 1082871), (27, 721914), (54, 360957), (81, 240638), (162, 120319)]