18878672

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9007}}^1$

素因数の和:9146

約数の個数: 20

約数和(自身を含む): 36860736

約数和(自身を除く): 17982064

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9007, 18014, 36028, 72056, 144112, 1179917, 2359834, 4719668, 9439336, 18878672]

約数ペア:

[(1, 18878672), (2, 9439336), (4, 4719668), (8, 2359834), (16, 1179917), (131, 144112), (262, 72056), (524, 36028), (1048, 18014), (2096, 9007)]