19874553

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2549}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 8032647

約数列:

[1, 3, 23, 69, 113, 339, 2549, 2599, 7647, 7797, 58627, 175881, 288037, 864111, 6624851, 19874553]

約数ペア:

[(1, 19874553), (3, 6624851), (23, 864111), (69, 288037), (113, 175881), (339, 58627), (2549, 7797), (2599, 7647)]