18892181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3361}}^1$

素因数の和:3452

約数の個数: 16

約数和(自身を含む): 23883648

約数和(自身を除く): 4991467

約数列:

[1, 7, 11, 73, 77, 511, 803, 3361, 5621, 23527, 36971, 245353, 258797, 1717471, 2698883, 18892181]

約数ペア:

[(1, 18892181), (7, 2698883), (11, 1717471), (73, 258797), (77, 245353), (511, 36971), (803, 23527), (3361, 5621)]