18727888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{50891}}^1$

素因数の和:50922

約数の個数: 20

約数和(自身を含む): 37863648

約数和(自身を除く): 19135760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 50891, 101782, 203564, 407128, 814256, 1170493, 2340986, 4681972, 9363944, 18727888]

約数ペア:

[(1, 18727888), (2, 9363944), (4, 4681972), (8, 2340986), (16, 1170493), (23, 814256), (46, 407128), (92, 203564), (184, 101782), (368, 50891)]