19955864

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{34171}}^1$

素因数の和:34250

約数の個数: 16

約数和(自身を含む): 37930920

約数和(自身を除く): 17975056

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 34171, 68342, 136684, 273368, 2494483, 4988966, 9977932, 19955864]

約数ペア:

[(1, 19955864), (2, 9977932), (4, 4988966), (8, 2494483), (73, 273368), (146, 136684), (292, 68342), (584, 34171)]