12811586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5527}}^1$

素因数の和:5609

約数の個数: 16

約数和(自身を含む): 20564160

約数和(自身を除く): 7752574

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 5527, 11054, 105013, 210026, 337147, 674294, 6405793, 12811586]

約数ペア:

[(1, 12811586), (2, 6405793), (19, 674294), (38, 337147), (61, 210026), (122, 105013), (1159, 11054), (2318, 5527)]