19500760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16811}}^1$

素因数の和:16851

約数の個数: 32

約数和(自身を含む): 45392400

約数和(自身を除く): 25891640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16811, 33622, 67244, 84055, 134488, 168110, 336220, 487519, 672440, 975038, 1950076, 2437595, 3900152, 4875190, 9750380, 19500760]

約数ペア:

[(1, 19500760), (2, 9750380), (4, 4875190), (5, 3900152), (8, 2437595), (10, 1950076), (20, 975038), (29, 672440), (40, 487519), (58, 336220), (116, 168110), (145, 134488), (232, 84055), (290, 67244), (580, 33622), (1160, 16811)]