19785491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 22375008

約数和(自身を除く): 2589517

約数列:

[1, 11, 37, 173, 281, 407, 1903, 3091, 6401, 10397, 48613, 70411, 114367, 534743, 1798681, 19785491]

約数ペア:

[(1, 19785491), (11, 1798681), (37, 534743), (173, 114367), (281, 70411), (407, 48613), (1903, 10397), (3091, 6401)]