19994866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5237}}^1$

素因数の和:5345

約数の個数: 16

約数和(自身を含む): 31679424

約数和(自身を除く): 11684558

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5237, 10474, 120451, 240902, 434671, 869342, 9997433, 19994866]

約数ペア:

[(1, 19994866), (2, 9997433), (23, 869342), (46, 434671), (83, 240902), (166, 120451), (1909, 10474), (3818, 5237)]