19193050

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 18125990

約数列:

[1, 2, 5, 10, 25, 43, 50, 79, 86, 113, 158, 215, 226, 395, 430, 565, 790, 1075, 1130, 1975, 2150, 2825, 3397, 3950, 4859, 5650, 6794, 8927, 9718, 16985, 17854, 24295, 33970, 44635, 48590, 84925, 89270, 121475, 169850, 223175, 242950, 383861, 446350, 767722, 1919305, 3838610, 9596525, 19193050]

約数ペア:

[(1, 19193050), (2, 9596525), (5, 3838610), (10, 1919305), (25, 767722), (43, 446350), (50, 383861), (79, 242950), (86, 223175), (113, 169850), (158, 121475), (215, 89270), (226, 84925), (395, 48590), (430, 44635), (565, 33970), (790, 24295), (1075, 17854), (1130, 16985), (1975, 9718), (2150, 8927), (2825, 6794), (3397, 5650), (3950, 4859)]