2019293889

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{220471}}^1$

素因数の和:220588

約数の個数: 16

約数和(自身を含む): 2793821184

約数和(自身を除く): 774527295

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 220471, 661413, 9480253, 15653441, 28440759, 46960323, 673097963, 2019293889]

約数ペア:

[(1, 2019293889), (3, 673097963), (43, 46960323), (71, 28440759), (129, 15653441), (213, 9480253), (3053, 661413), (9159, 220471)]