19657144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189011}}^1$

素因数の和:189030

約数の個数: 16

約数和(自身を含む): 39692520

約数和(自身を除く): 20035376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189011, 378022, 756044, 1512088, 2457143, 4914286, 9828572, 19657144]

約数ペア:

[(1, 19657144), (2, 9828572), (4, 4914286), (8, 2457143), (13, 1512088), (26, 756044), (52, 378022), (104, 189011)]