19804644

素因数分解:

$2^2\times 3^2\times {\mathrm{550129}}^1$

素因数の和:550139

約数の個数: 18

約数和(自身を含む): 50061830

約数和(自身を除く): 30257186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550129, 1100258, 1650387, 2200516, 3300774, 4951161, 6601548, 9902322, 19804644]

約数ペア:

[(1, 19804644), (2, 9902322), (3, 6601548), (4, 4951161), (6, 3300774), (9, 2200516), (12, 1650387), (18, 1100258), (36, 550129)]