19918724

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1877}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 39963840

約数和(自身を除く): 20045116

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1877, 2653, 3754, 5306, 7508, 10612, 13139, 26278, 52556, 711383, 1422766, 2845532, 4979681, 9959362, 19918724]

約数ペア:

[(1, 19918724), (2, 9959362), (4, 4979681), (7, 2845532), (14, 1422766), (28, 711383), (379, 52556), (758, 26278), (1516, 13139), (1877, 10612), (2653, 7508), (3754, 5306)]