19965112

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9209}}^1$

素因数の和:9486

約数の個数: 16

約数和(自身を含む): 37576800

約数和(自身を除く): 17611688

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9209, 18418, 36836, 73672, 2495639, 4991278, 9982556, 19965112]

約数ペア:

[(1, 19965112), (2, 9982556), (4, 4991278), (8, 2495639), (271, 73672), (542, 36836), (1084, 18418), (2168, 9209)]