19991016003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50102797}}^1$

素因数の和:50102826

約数の個数: 16

約数和(自身を含む): 32065790720

約数和(自身を除く): 12074774717

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50102797, 150308391, 350719579, 951953143, 1052158737, 2855859429, 6663672001, 19991016003]

約数ペア:

[(1, 19991016003), (3, 6663672001), (7, 2855859429), (19, 1052158737), (21, 951953143), (57, 350719579), (133, 150308391), (399, 50102797)]