18810814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 13008578

約数列:

[1, 2, 11, 22, 61, 107, 122, 131, 214, 262, 671, 1177, 1342, 1441, 2354, 2882, 6527, 7991, 13054, 14017, 15982, 28034, 71797, 87901, 143594, 154187, 175802, 308374, 855037, 1710074, 9405407, 18810814]

約数ペア:

[(1, 18810814), (2, 9405407), (11, 1710074), (22, 855037), (61, 308374), (107, 175802), (122, 154187), (131, 143594), (214, 87901), (262, 71797), (671, 28034), (1177, 15982), (1342, 14017), (1441, 13054), (2354, 7991), (2882, 6527)]