19810572

素因数分解:

$2^2\times 3^1\times {\mathrm{1650881}}^1$

素因数の和:1650888

約数の個数: 12

約数和(自身を含む): 46224696

約数和(自身を除く): 26414124

約数列:

[1, 2, 3, 4, 6, 12, 1650881, 3301762, 4952643, 6603524, 9905286, 19810572]

約数ペア:

[(1, 19810572), (2, 9905286), (3, 6603524), (4, 4952643), (6, 3301762), (12, 1650881)]