19461364

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28789}}^1$

素因数の和:28819

約数の個数: 18

約数和(自身を含む): 36879990

約数和(自身を除く): 17418626

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28789, 57578, 115156, 374257, 748514, 1497028, 4865341, 9730682, 19461364]

約数ペア:

[(1, 19461364), (2, 9730682), (4, 4865341), (13, 1497028), (26, 748514), (52, 374257), (169, 115156), (338, 57578), (676, 28789)]