18866254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7589}}^1$

素因数の和:7715

約数の個数: 16

約数和(自身を含む): 31149360

約数和(自身を除く): 12283106

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7589, 15178, 83479, 166958, 857557, 1715114, 9433127, 18866254]

約数ペア:

[(1, 18866254), (2, 9433127), (11, 1715114), (22, 857557), (113, 166958), (226, 83479), (1243, 15178), (2486, 7589)]