19874722

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74717}}^1$

素因数の和:74745

約数の個数: 16

約数和(自身を含む): 35864640

約数和(自身を除く): 15989918

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74717, 149434, 523019, 1046038, 1419623, 2839246, 9937361, 19874722]

約数ペア:

[(1, 19874722), (2, 9937361), (7, 2839246), (14, 1419623), (19, 1046038), (38, 523019), (133, 149434), (266, 74717)]