19985438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53437}}^1$

素因数の和:53467

約数の個数: 16

約数和(自身を含む): 34627824

約数和(自身を除く): 14642386

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 53437, 106874, 587807, 908429, 1175614, 1816858, 9992719, 19985438]

約数ペア:

[(1, 19985438), (2, 9992719), (11, 1816858), (17, 1175614), (22, 908429), (34, 587807), (187, 106874), (374, 53437)]