19695981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 27624960

約数和(自身を除く): 7928979

約数列:

[1, 3, 23, 69, 131, 393, 2179, 3013, 6537, 9039, 50117, 150351, 285449, 856347, 6565327, 19695981]

約数ペア:

[(1, 19695981), (3, 6565327), (23, 856347), (69, 285449), (131, 150351), (393, 50117), (2179, 9039), (3013, 6537)]