19198550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2925

約数の個数: 48

約数和(自身を含む): 42973440

約数和(自身を除く): 23774890

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 2887, 3325, 5774, 6650, 14435, 20209, 28870, 40418, 54853, 72175, 101045, 109706, 144350, 202090, 274265, 383971, 505225, 548530, 767942, 1010450, 1371325, 1919855, 2742650, 3839710, 9599275, 19198550]

約数ペア:

[(1, 19198550), (2, 9599275), (5, 3839710), (7, 2742650), (10, 1919855), (14, 1371325), (19, 1010450), (25, 767942), (35, 548530), (38, 505225), (50, 383971), (70, 274265), (95, 202090), (133, 144350), (175, 109706), (190, 101045), (266, 72175), (350, 54853), (475, 40418), (665, 28870), (950, 20209), (1330, 14435), (2887, 6650), (3325, 5774)]