18992540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135661}}^1$

素因数の和:135677

約数の個数: 24

約数和(自身を含む): 45582432

約数和(自身を除く): 26589892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135661, 271322, 542644, 678305, 949627, 1356610, 1899254, 2713220, 3798508, 4748135, 9496270, 18992540]

約数ペア:

[(1, 18992540), (2, 9496270), (4, 4748135), (5, 3798508), (7, 2713220), (10, 1899254), (14, 1356610), (20, 949627), (28, 678305), (35, 542644), (70, 271322), (140, 135661)]