18758978

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13009}}^1$

素因数の和:13121

約数の個数: 16

約数和(自身を含む): 32472960

約数和(自身を除く): 13713982

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 13009, 26018, 91063, 182126, 1339927, 2679854, 9379489, 18758978]

約数ペア:

[(1, 18758978), (2, 9379489), (7, 2679854), (14, 1339927), (103, 182126), (206, 91063), (721, 26018), (1442, 13009)]