19966346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1031}}^1$

素因数の和:1477

約数の個数: 16

約数和(自身を含む): 31356288

約数和(自身を除く): 11389942

約数列:

[1, 2, 23, 46, 421, 842, 1031, 2062, 9683, 19366, 23713, 47426, 434051, 868102, 9983173, 19966346]

約数ペア:

[(1, 19966346), (2, 9983173), (23, 868102), (46, 434051), (421, 47426), (842, 23713), (1031, 19366), (2062, 9683)]