19764506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2161}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 31521960

約数和(自身を除く): 11757454

約数列:

[1, 2, 17, 34, 269, 538, 2161, 4322, 4573, 9146, 36737, 73474, 581309, 1162618, 9882253, 19764506]

約数ペア:

[(1, 19764506), (2, 9882253), (17, 1162618), (34, 581309), (269, 73474), (538, 36737), (2161, 9146), (4322, 4573)]