19149988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33479}}^1$

素因数の和:33507

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 20222492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33479, 66958, 133916, 368269, 435227, 736538, 870454, 1473076, 1740908, 4787497, 9574994, 19149988]

約数ペア:

[(1, 19149988), (2, 9574994), (4, 4787497), (11, 1740908), (13, 1473076), (22, 870454), (26, 736538), (44, 435227), (52, 368269), (143, 133916), (286, 66958), (572, 33479)]