19804572

素因数分解:

$2^2\times 3^2\times {\mathrm{550127}}^1$

素因数の和:550137

約数の個数: 18

約数和(自身を含む): 50061648

約数和(自身を除く): 30257076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550127, 1100254, 1650381, 2200508, 3300762, 4951143, 6601524, 9902286, 19804572]

約数ペア:

[(1, 19804572), (2, 9902286), (3, 6601524), (4, 4951143), (6, 3300762), (9, 2200508), (12, 1650381), (18, 1100254), (36, 550127)]