19609731

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 30060576

約数和(自身を除く): 10450845

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1553, 4209, 4659, 12627, 13977, 35719, 94733, 107157, 284199, 321471, 852597, 2178859, 6536577, 19609731]

約数ペア:

[(1, 19609731), (3, 6536577), (9, 2178859), (23, 852597), (61, 321471), (69, 284199), (183, 107157), (207, 94733), (549, 35719), (1403, 13977), (1553, 12627), (4209, 4659)]