21938692

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{15193}}^1$

素因数の和:15235

約数の個数: 18

約数和(自身を含む): 40522398

約数和(自身を除く): 18583706

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 15193, 30386, 60772, 288667, 577334, 1154668, 5484673, 10969346, 21938692]

約数ペア:

[(1, 21938692), (2, 10969346), (4, 5484673), (19, 1154668), (38, 577334), (76, 288667), (361, 60772), (722, 30386), (1444, 15193)]