19557694

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{4451}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 31787280

約数和(自身を除く): 12229586

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 4451, 8902, 57863, 115726, 752219, 1504438, 9778847, 19557694]

約数ペア:

[(1, 19557694), (2, 9778847), (13, 1504438), (26, 752219), (169, 115726), (338, 57863), (2197, 8902), (4394, 4451)]