19953711

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 30186000

約数和(自身を除く): 10232289

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 859, 2577, 2581, 7731, 7743, 23229, 24911, 74733, 76451, 224199, 229353, 688059, 2217079, 6651237, 19953711]

約数ペア:

[(1, 19953711), (3, 6651237), (9, 2217079), (29, 688059), (87, 229353), (89, 224199), (261, 76451), (267, 74733), (801, 24911), (859, 23229), (2577, 7743), (2581, 7731)]