18083660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129169}}^1$

素因数の和:129185

約数の個数: 24

約数和(自身を含む): 43401120

約数和(自身を除く): 25317460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129169, 258338, 516676, 645845, 904183, 1291690, 1808366, 2583380, 3616732, 4520915, 9041830, 18083660]

約数ペア:

[(1, 18083660), (2, 9041830), (4, 4520915), (5, 3616732), (7, 2583380), (10, 1808366), (14, 1291690), (20, 904183), (28, 645845), (35, 516676), (70, 258338), (140, 129169)]