19997490838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1093}}^1\times {\mathrm{703691}}^1$

素因数の和:704799

約数の個数: 16

約数和(自身を含む): 32333240016

約数和(自身を除く): 12335749178

約数列:

[1, 2, 13, 26, 1093, 2186, 14209, 28418, 703691, 1407382, 9147983, 18295966, 769134263, 1538268526, 9998745419, 19997490838]

約数ペア:

[(1, 19997490838), (2, 9998745419), (13, 1538268526), (26, 769134263), (1093, 18295966), (2186, 9147983), (14209, 1407382), (28418, 703691)]