18887007

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3217}}^1$

素因数の和:3342

約数の個数: 16

約数和(自身を含む): 26773760

約数和(自身を除く): 7886753

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3217, 5871, 9651, 61123, 183369, 331351, 994053, 6295669, 18887007]

約数ペア:

[(1, 18887007), (3, 6295669), (19, 994053), (57, 331351), (103, 183369), (309, 61123), (1957, 9651), (3217, 5871)]