19948621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{577}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 24969600

約数和(自身を除く): 5020979

約数列:

[1, 7, 11, 77, 449, 577, 3143, 4039, 4939, 6347, 34573, 44429, 259073, 1813511, 2849803, 19948621]

約数ペア:

[(1, 19948621), (7, 2849803), (11, 1813511), (77, 259073), (449, 44429), (577, 34573), (3143, 6347), (4039, 4939)]