18989151

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4217}}^1$

素因数の和:4318

約数の個数: 16

約数和(自身を含む): 26995200

約数和(自身を除く): 8006049

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4217, 4503, 12651, 80123, 240369, 333143, 999429, 6329717, 18989151]

約数ペア:

[(1, 18989151), (3, 6329717), (19, 999429), (57, 333143), (79, 240369), (237, 80123), (1501, 12651), (4217, 4503)]