19982192

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7219}}^1$

素因数の和:7400

約数の個数: 20

約数和(自身を含む): 38944680

約数和(自身を除く): 18962488

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7219, 14438, 28876, 57752, 115504, 1248887, 2497774, 4995548, 9991096, 19982192]

約数ペア:

[(1, 19982192), (2, 9991096), (4, 4995548), (8, 2497774), (16, 1248887), (173, 115504), (346, 57752), (692, 28876), (1384, 14438), (2768, 7219)]