199971010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1052479}}^1$

素因数の和:1052505

約数の個数: 16

約数和(自身を含む): 378892800

約数和(自身を除く): 178921790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1052479, 2104958, 5262395, 10524790, 19997101, 39994202, 99985505, 199971010]

約数ペア:

[(1, 199971010), (2, 99985505), (5, 39994202), (10, 19997101), (19, 10524790), (38, 5262395), (95, 2104958), (190, 1052479)]