19838888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2777}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 40003200

約数和(自身を除く): 20164312

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2777, 3572, 5554, 7144, 11108, 22216, 52763, 105526, 130519, 211052, 261038, 422104, 522076, 1044152, 2479861, 4959722, 9919444, 19838888]

約数ペア:

[(1, 19838888), (2, 9919444), (4, 4959722), (8, 2479861), (19, 1044152), (38, 522076), (47, 422104), (76, 261038), (94, 211052), (152, 130519), (188, 105526), (376, 52763), (893, 22216), (1786, 11108), (2777, 7144), (3572, 5554)]