19039376

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4391}}^1$

素因数の和:4670

約数の個数: 20

約数和(自身を含む): 37033344

約数和(自身を除く): 17993968

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4391, 8782, 17564, 35128, 70256, 1189961, 2379922, 4759844, 9519688, 19039376]

約数ペア:

[(1, 19039376), (2, 9519688), (4, 4759844), (8, 2379922), (16, 1189961), (271, 70256), (542, 35128), (1084, 17564), (2168, 8782), (4336, 4391)]