18965769

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 26664960

約数和(自身を除く): 7699191

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4339, 4371, 13017, 134509, 203933, 403527, 611799, 6321923, 18965769]

約数ペア:

[(1, 18965769), (3, 6321923), (31, 611799), (47, 403527), (93, 203933), (141, 134509), (1457, 13017), (4339, 4371)]