19921724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 36257760

約数和(自身を除く): 16336036

約数列:

[1, 2, 4, 29, 58, 116, 263, 526, 653, 1052, 1306, 2612, 7627, 15254, 18937, 30508, 37874, 75748, 171739, 343478, 686956, 4980431, 9960862, 19921724]

約数ペア:

[(1, 19921724), (2, 9960862), (4, 4980431), (29, 686956), (58, 343478), (116, 171739), (263, 75748), (526, 37874), (653, 30508), (1052, 18937), (1306, 15254), (2612, 7627)]