18970743

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{4751}}^1$

素因数の和:4787

約数の個数: 16

約数和(自身を含む): 27827712

約数和(自身を除く): 8856969

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 4751, 14253, 52261, 156783, 574871, 1724613, 6323581, 18970743]

約数ペア:

[(1, 18970743), (3, 6323581), (11, 1724613), (33, 574871), (121, 156783), (363, 52261), (1331, 14253), (3993, 4751)]