19307540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137911}}^1$

素因数の和:137927

約数の個数: 24

約数和(自身を含む): 46338432

約数和(自身を除く): 27030892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137911, 275822, 551644, 689555, 965377, 1379110, 1930754, 2758220, 3861508, 4826885, 9653770, 19307540]

約数ペア:

[(1, 19307540), (2, 9653770), (4, 4826885), (5, 3861508), (7, 2758220), (10, 1930754), (14, 1379110), (20, 965377), (28, 689555), (35, 551644), (70, 275822), (140, 137911)]