19639178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{1039}}^1$

素因数の和:1781

約数の個数: 16

約数和(自身を含む): 31799040

約数和(自身を除く): 12159862

約数列:

[1, 2, 13, 26, 727, 1039, 1454, 2078, 9451, 13507, 18902, 27014, 755353, 1510706, 9819589, 19639178]

約数ペア:

[(1, 19639178), (2, 9819589), (13, 1510706), (26, 755353), (727, 27014), (1039, 18902), (1454, 13507), (2078, 9451)]