19239748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10169}}^1$

素因数の和:10227

約数の個数: 24

約数和(自身を含む): 37588320

約数和(自身を除く): 18348572

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10169, 20338, 40676, 111859, 223718, 437267, 447436, 874534, 1749068, 4809937, 9619874, 19239748]

約数ペア:

[(1, 19239748), (2, 9619874), (4, 4809937), (11, 1749068), (22, 874534), (43, 447436), (44, 437267), (86, 223718), (172, 111859), (473, 40676), (946, 20338), (1892, 10169)]