18016889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 4377991

約数列:

[1, 11, 17, 23, 59, 71, 187, 253, 391, 649, 781, 1003, 1207, 1357, 1633, 4189, 4301, 11033, 13277, 14927, 17963, 23069, 27761, 46079, 71213, 96347, 253759, 305371, 783343, 1059817, 1637899, 18016889]

約数ペア:

[(1, 18016889), (11, 1637899), (17, 1059817), (23, 783343), (59, 305371), (71, 253759), (187, 96347), (253, 71213), (391, 46079), (649, 27761), (781, 23069), (1003, 17963), (1207, 14927), (1357, 13277), (1633, 11033), (4189, 4301)]