18990037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 3109355

約数列:

[1, 11, 17, 173, 187, 587, 1903, 2941, 6457, 9979, 32351, 101551, 109769, 1117061, 1726367, 18990037]

約数ペア:

[(1, 18990037), (11, 1726367), (17, 1117061), (173, 109769), (187, 101551), (587, 32351), (1903, 9979), (2941, 6457)]