18850865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1471}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 24800256

約数和(自身を除く): 5949391

約数列:

[1, 5, 11, 55, 233, 1165, 1471, 2563, 7355, 12815, 16181, 80905, 342743, 1713715, 3770173, 18850865]

約数ペア:

[(1, 18850865), (5, 3770173), (11, 1713715), (55, 342743), (233, 80905), (1165, 16181), (1471, 12815), (2563, 7355)]