19009004

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1693}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 38135328

約数和(自身を除く): 19126324

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1693, 2807, 3386, 5614, 6772, 11228, 11851, 23702, 47404, 678893, 1357786, 2715572, 4752251, 9504502, 19009004]

約数ペア:

[(1, 19009004), (2, 9504502), (4, 4752251), (7, 2715572), (14, 1357786), (28, 678893), (401, 47404), (802, 23702), (1604, 11851), (1693, 11228), (2807, 6772), (3386, 5614)]