18072819

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6217}}^1$

素因数の和:6259

約数の個数: 24

約数和(自身を含む): 29100240

約数和(自身を除く): 11027421

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6217, 18651, 55953, 105689, 118123, 317067, 354369, 951201, 1063107, 2008091, 6024273, 18072819]

約数ペア:

[(1, 18072819), (3, 6024273), (9, 2008091), (17, 1063107), (19, 951201), (51, 354369), (57, 317067), (153, 118123), (171, 105689), (323, 55953), (969, 18651), (2907, 6217)]