19775945

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15271}}^1$

素因数の和:15320

約数の個数: 16

約数和(自身を含む): 27856128

約数和(自身を除く): 8080183

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15271, 76355, 106897, 534485, 565027, 2825135, 3955189, 19775945]

約数ペア:

[(1, 19775945), (5, 3955189), (7, 2825135), (35, 565027), (37, 534485), (185, 106897), (259, 76355), (1295, 15271)]