18620589

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 28313760

約数和(自身を除く): 9693171

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 1933, 3211, 5799, 9633, 25129, 36727, 75387, 110181, 326677, 477451, 980031, 1432353, 6206863, 18620589]

約数ペア:

[(1, 18620589), (3, 6206863), (13, 1432353), (19, 980031), (39, 477451), (57, 326677), (169, 110181), (247, 75387), (507, 36727), (741, 25129), (1933, 9633), (3211, 5799)]