18722138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1109}}^1$

素因数の和:1501

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 10688422

約数列:

[1, 2, 23, 46, 367, 734, 1109, 2218, 8441, 16882, 25507, 51014, 407003, 814006, 9361069, 18722138]

約数ペア:

[(1, 18722138), (2, 9361069), (23, 814006), (46, 407003), (367, 51014), (734, 25507), (1109, 16882), (2218, 8441)]