20191119689

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2778467}}^1$

素因数の和:2778536

約数の個数: 12

約数和(自身を含む): 22372224336

約数和(自身を除く): 2181104647

約数列:

[1, 13, 43, 169, 559, 7267, 2778467, 36120071, 119474081, 469560923, 1553163053, 20191119689]

約数ペア:

[(1, 20191119689), (13, 1553163053), (43, 469560923), (169, 119474081), (559, 36120071), (7267, 2778467)]