19806963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3823}}^1$

素因数の和:3994

約数の個数: 16

約数和(自身を含む): 29001216

約数和(自身を除く): 9194253

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3823, 5181, 11469, 42053, 126159, 600211, 1800633, 6602321, 19806963]

約数ペア:

[(1, 19806963), (3, 6602321), (11, 1800633), (33, 600211), (157, 126159), (471, 42053), (1727, 11469), (3823, 5181)]