19886906

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3506

約数の個数: 24

約数和(自身を含む): 34211484

約数和(自身を除く): 14324578

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3461, 5746, 6922, 44993, 58837, 89986, 117674, 584909, 764881, 1169818, 1529762, 9943453, 19886906]

約数ペア:

[(1, 19886906), (2, 9943453), (13, 1529762), (17, 1169818), (26, 764881), (34, 584909), (169, 117674), (221, 89986), (338, 58837), (442, 44993), (2873, 6922), (3461, 5746)]