19949377

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 23519232

約数和(自身を除く): 3569855

約数列:

[1, 7, 43, 191, 301, 347, 1337, 2429, 8213, 14921, 57491, 66277, 104447, 463939, 2849911, 19949377]

約数ペア:

[(1, 19949377), (7, 2849911), (43, 463939), (191, 104447), (301, 66277), (347, 57491), (1337, 14921), (2429, 8213)]