19969565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51869}}^1$

素因数の和:51892

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 9907555

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51869, 259345, 363083, 570559, 1815415, 2852795, 3993913, 19969565]

約数ペア:

[(1, 19969565), (5, 3993913), (7, 2852795), (11, 1815415), (35, 570559), (55, 363083), (77, 259345), (385, 51869)]