18876895

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23093280

約数和(自身を除く): 4216385

約数列:

[1, 5, 139, 157, 173, 695, 785, 865, 21823, 24047, 27161, 109115, 120235, 135805, 3775379, 18876895]

約数ペア:

[(1, 18876895), (5, 3775379), (139, 135805), (157, 120235), (173, 109115), (695, 27161), (785, 24047), (865, 21823)]