18979646

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{58943}}^1$

素因数の和:58975

約数の個数: 16

約数和(自身を含む): 33951744

約数和(自身を除く): 14972098

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 58943, 117886, 412601, 825202, 1355689, 2711378, 9489823, 18979646]

約数ペア:

[(1, 18979646), (2, 9489823), (7, 2711378), (14, 1355689), (23, 825202), (46, 412601), (161, 117886), (322, 58943)]