19908802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2557}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 31770360

約数和(自身を除く): 11861558

約数列:

[1, 2, 17, 34, 229, 458, 2557, 3893, 5114, 7786, 43469, 86938, 585553, 1171106, 9954401, 19908802]

約数ペア:

[(1, 19908802), (2, 9954401), (17, 1171106), (34, 585553), (229, 86938), (458, 43469), (2557, 7786), (3893, 5114)]