18208112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87539}}^1$

素因数の和:87560

約数の個数: 20

約数和(自身を含む): 37992360

約数和(自身を除く): 19784248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87539, 175078, 350156, 700312, 1138007, 1400624, 2276014, 4552028, 9104056, 18208112]

約数ペア:

[(1, 18208112), (2, 9104056), (4, 4552028), (8, 2276014), (13, 1400624), (16, 1138007), (26, 700312), (52, 350156), (104, 175078), (208, 87539)]