19965308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453757}}^1$

素因数の和:453772

約数の個数: 12

約数和(自身を含む): 38115672

約数和(自身を除く): 18150364

約数列:

[1, 2, 4, 11, 22, 44, 453757, 907514, 1815028, 4991327, 9982654, 19965308]

約数ペア:

[(1, 19965308), (2, 9982654), (4, 4991327), (11, 1815028), (22, 907514), (44, 453757)]