19156426

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 29528064

約数和(自身を除く): 10371638

約数列:

[1, 2, 53, 106, 127, 254, 1423, 2846, 6731, 13462, 75419, 150838, 180721, 361442, 9578213, 19156426]

約数ペア:

[(1, 19156426), (2, 9578213), (53, 361442), (106, 180721), (127, 150838), (254, 75419), (1423, 13462), (2846, 6731)]