18655929

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 28745600

約数和(自身を除く): 10089671

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1381, 1501, 4143, 4503, 12429, 13509, 26239, 78717, 109099, 236151, 327297, 981891, 2072881, 6218643, 18655929]

約数ペア:

[(1, 18655929), (3, 6218643), (9, 2072881), (19, 981891), (57, 327297), (79, 236151), (171, 109099), (237, 78717), (711, 26239), (1381, 13509), (1501, 12429), (4143, 4503)]