13477412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19937}}^1$

素因数の和:19967

約数の個数: 18

約数和(自身を含む): 25540578

約数和(自身を除く): 12063166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19937, 39874, 79748, 259181, 518362, 1036724, 3369353, 6738706, 13477412]

約数ペア:

[(1, 13477412), (2, 6738706), (4, 3369353), (13, 1036724), (26, 518362), (52, 259181), (169, 79748), (338, 39874), (676, 19937)]