18279806

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:907

約数の個数: 16

約数和(自身を含む): 28075248

約数和(自身を除く): 9795442

約数列:

[1, 2, 53, 106, 331, 521, 662, 1042, 17543, 27613, 35086, 55226, 172451, 344902, 9139903, 18279806]

約数ペア:

[(1, 18279806), (2, 9139903), (53, 344902), (106, 172451), (331, 55226), (521, 35086), (662, 27613), (1042, 17543)]