18655978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8233}}^1$

素因数の和:8349

約数の個数: 16

約数和(自身を含む): 30828096

約数和(自身を除く): 12172118

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8233, 16466, 90563, 181126, 847999, 1695998, 9327989, 18655978]

約数ペア:

[(1, 18655978), (2, 9327989), (11, 1695998), (22, 847999), (103, 181126), (206, 90563), (1133, 16466), (2266, 8233)]