19943396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2887}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 38329536

約数和(自身を除く): 18386140

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2887, 3454, 5774, 6908, 11548, 31757, 63514, 127028, 453259, 906518, 1813036, 4985849, 9971698, 19943396]

約数ペア:

[(1, 19943396), (2, 9971698), (4, 4985849), (11, 1813036), (22, 906518), (44, 453259), (157, 127028), (314, 63514), (628, 31757), (1727, 11548), (2887, 6908), (3454, 5774)]