19984078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13669}}^1$

素因数の和:13731

約数の個数: 16

約数和(自身を含む): 32479920

約数和(自身を除く): 12495842

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13669, 27338, 232373, 464746, 587767, 1175534, 9992039, 19984078]

約数ペア:

[(1, 19984078), (2, 9992039), (17, 1175534), (34, 587767), (43, 464746), (86, 232373), (731, 27338), (1462, 13669)]