18770689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1319}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 4038911

約数列:

[1, 7, 19, 107, 133, 749, 1319, 2033, 9233, 14231, 25061, 141133, 175427, 987931, 2681527, 18770689]

約数ペア:

[(1, 18770689), (7, 2681527), (19, 987931), (107, 175427), (133, 141133), (749, 25061), (1319, 14231), (2033, 9233)]