18881198

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12373}}^1$

素因数の和:12491

約数の個数: 16

約数和(自身を含む): 32667360

約数和(自身を除く): 13786162

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12373, 24746, 86611, 173222, 1348657, 2697314, 9440599, 18881198]

約数ペア:

[(1, 18881198), (2, 9440599), (7, 2697314), (14, 1348657), (109, 173222), (218, 86611), (763, 24746), (1526, 12373)]