18363940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131171}}^1$

素因数の和:131187

約数の個数: 24

約数和(自身を含む): 44073792

約数和(自身を除く): 25709852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131171, 262342, 524684, 655855, 918197, 1311710, 1836394, 2623420, 3672788, 4590985, 9181970, 18363940]

約数ペア:

[(1, 18363940), (2, 9181970), (4, 4590985), (5, 3672788), (7, 2623420), (10, 1836394), (14, 1311710), (20, 918197), (28, 655855), (35, 524684), (70, 262342), (140, 131171)]