18564007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12689}}^1$

素因数の和:12726

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 5800793

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12689, 88823, 139579, 241091, 977053, 1687637, 2652001, 18564007]

約数ペア:

[(1, 18564007), (7, 2652001), (11, 1687637), (19, 977053), (77, 241091), (133, 139579), (209, 88823), (1463, 12689)]