19658404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1237}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 35877240

約数和(自身を除く): 16218836

約数列:

[1, 2, 4, 29, 58, 116, 137, 274, 548, 1237, 2474, 3973, 4948, 7946, 15892, 35873, 71746, 143492, 169469, 338938, 677876, 4914601, 9829202, 19658404]

約数ペア:

[(1, 19658404), (2, 9829202), (4, 4914601), (29, 677876), (58, 338938), (116, 169469), (137, 143492), (274, 71746), (548, 35873), (1237, 15892), (2474, 7946), (3973, 4948)]