1920657893

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1\times {\mathrm{18911}}^1$

素因数の和:20248

約数の個数: 16

約数和(自身を含む): 2396528640

約数和(自身を除く): 475870747

約数列:

[1, 7, 11, 77, 1319, 9233, 14509, 18911, 101563, 132377, 208021, 1456147, 24943609, 174605263, 274379699, 1920657893]

約数ペア:

[(1, 1920657893), (7, 274379699), (11, 174605263), (77, 24943609), (1319, 1456147), (9233, 208021), (14509, 132377), (18911, 101563)]