19539305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1297}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 24672384

約数和(自身を除く): 5133079

約数列:

[1, 5, 23, 115, 131, 655, 1297, 3013, 6485, 15065, 29831, 149155, 169907, 849535, 3907861, 19539305]

約数ペア:

[(1, 19539305), (5, 3907861), (23, 849535), (115, 169907), (131, 149155), (655, 29831), (1297, 15065), (3013, 6485)]