19872055

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7187}}^1$

素因数の和:7278

約数の個数: 16

約数和(自身を含む): 27601920

約数和(自身を除く): 7729865

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7187, 35935, 50309, 251545, 567773, 2838865, 3974411, 19872055]

約数ペア:

[(1, 19872055), (5, 3974411), (7, 2838865), (35, 567773), (79, 251545), (395, 50309), (553, 35935), (2765, 7187)]