18643983

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 7037937

約数列:

[1, 3, 43, 113, 129, 339, 1279, 3837, 4859, 14577, 54997, 144527, 164991, 433581, 6214661, 18643983]

約数ペア:

[(1, 18643983), (3, 6214661), (43, 433581), (113, 164991), (129, 144527), (339, 54997), (1279, 14577), (3837, 4859)]