13465244

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19919}}^1$

素因数の和:19949

約数の個数: 18

約数和(自身を含む): 25517520

約数和(自身を除く): 12052276

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19919, 39838, 79676, 258947, 517894, 1035788, 3366311, 6732622, 13465244]

約数ペア:

[(1, 13465244), (2, 6732622), (4, 3366311), (13, 1035788), (26, 517894), (52, 258947), (169, 79676), (338, 39838), (676, 19919)]