19391649772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440719313}}^1$

素因数の和:440719328

約数の個数: 12

約数和(自身を含む): 37020422376

約数和(自身を除く): 17628772604

約数列:

[1, 2, 4, 11, 22, 44, 440719313, 881438626, 1762877252, 4847912443, 9695824886, 19391649772]

約数ペア:

[(1, 19391649772), (2, 9695824886), (4, 4847912443), (11, 1762877252), (22, 881438626), (44, 440719313)]