19992976

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21179}}^1$

素因数の和:21246

約数の個数: 20

約数和(自身を含む): 39394800

約数和(自身を除く): 19401824

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21179, 42358, 84716, 169432, 338864, 1249561, 2499122, 4998244, 9996488, 19992976]

約数ペア:

[(1, 19992976), (2, 9996488), (4, 4998244), (8, 2499122), (16, 1249561), (59, 338864), (118, 169432), (236, 84716), (472, 42358), (944, 21179)]