19691327248

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4442989}}^1$

素因数の和:4443274

約数の個数: 20

約数和(自身を含む): 38289687820

約数和(自身を除く): 18598360572

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4442989, 8885978, 17771956, 35543912, 71087824, 1230707953, 2461415906, 4922831812, 9845663624, 19691327248]

約数ペア:

[(1, 19691327248), (2, 9845663624), (4, 4922831812), (8, 2461415906), (16, 1230707953), (277, 71087824), (554, 35543912), (1108, 17771956), (2216, 8885978), (4432, 4442989)]