19804424

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57571}}^1$

素因数の和:57620

約数の個数: 16

約数和(自身を含む): 37997520

約数和(自身を除く): 18193096

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57571, 115142, 230284, 460568, 2475553, 4951106, 9902212, 19804424]

約数ペア:

[(1, 19804424), (2, 9902212), (4, 4951106), (8, 2475553), (43, 460568), (86, 230284), (172, 115142), (344, 57571)]