19919438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129347}}^1$

素因数の和:129367

約数の個数: 16

約数和(自身を含む): 37252224

約数和(自身を除く): 17332786

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 129347, 258694, 905429, 1422817, 1810858, 2845634, 9959719, 19919438]

約数ペア:

[(1, 19919438), (2, 9959719), (7, 2845634), (11, 1810858), (14, 1422817), (22, 905429), (77, 258694), (154, 129347)]