19201420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137153}}^1$

素因数の和:137169

約数の個数: 24

約数和(自身を含む): 46083744

約数和(自身を除く): 26882324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137153, 274306, 548612, 685765, 960071, 1371530, 1920142, 2743060, 3840284, 4800355, 9600710, 19201420]

約数ペア:

[(1, 19201420), (2, 9600710), (4, 4800355), (5, 3840284), (7, 2743060), (10, 1920142), (14, 1371530), (20, 960071), (28, 685765), (35, 548612), (70, 274306), (140, 137153)]