19556438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1009}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 32069520

約数和(自身を除く): 12513082

約数列:

[1, 2, 11, 22, 881, 1009, 1762, 2018, 9691, 11099, 19382, 22198, 888929, 1777858, 9778219, 19556438]

約数ペア:

[(1, 19556438), (2, 9778219), (11, 1777858), (22, 888929), (881, 22198), (1009, 19382), (1762, 11099), (2018, 9691)]