19235020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137393}}^1$

素因数の和:137409

約数の個数: 24

約数和(自身を含む): 46164384

約数和(自身を除く): 26929364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137393, 274786, 549572, 686965, 961751, 1373930, 1923502, 2747860, 3847004, 4808755, 9617510, 19235020]

約数ペア:

[(1, 19235020), (2, 9617510), (4, 4808755), (5, 3847004), (7, 2747860), (10, 1923502), (14, 1373930), (20, 961751), (28, 686965), (35, 549572), (70, 274786), (140, 137393)]