19448480

素因数分解:

$2^5\times 5^1\times {\mathrm{121553}}^1$

素因数の和:121568

約数の個数: 24

約数和(自身を含む): 45947412

約数和(自身を除く): 26498932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121553, 243106, 486212, 607765, 972424, 1215530, 1944848, 2431060, 3889696, 4862120, 9724240, 19448480]

約数ペア:

[(1, 19448480), (2, 9724240), (4, 4862120), (5, 3889696), (8, 2431060), (10, 1944848), (16, 1215530), (20, 972424), (32, 607765), (40, 486212), (80, 243106), (160, 121553)]