19599290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17981}}^1$

素因数の和:18097

約数の個数: 16

約数和(自身を含む): 35604360

約数和(自身を除く): 16005070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17981, 35962, 89905, 179810, 1959929, 3919858, 9799645, 19599290]

約数ペア:

[(1, 19599290), (2, 9799645), (5, 3919858), (10, 1959929), (109, 179810), (218, 89905), (545, 35962), (1090, 17981)]