18087806

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1823}}^1$

素因数の和:1888

約数の個数: 24

約数和(自身を含む): 30566592

約数和(自身を除く): 12478786

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 1823, 3646, 4961, 9922, 20053, 40106, 74743, 149486, 220583, 441166, 822173, 1644346, 9043903, 18087806]

約数ペア:

[(1, 18087806), (2, 9043903), (11, 1644346), (22, 822173), (41, 441166), (82, 220583), (121, 149486), (242, 74743), (451, 40106), (902, 20053), (1823, 9922), (3646, 4961)]