19796147

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 24172560

約数和(自身を除く): 4376413

約数列:

[1, 7, 37, 49, 61, 179, 259, 427, 1253, 1813, 2257, 2989, 6623, 8771, 10919, 15799, 46361, 76433, 110593, 324527, 404003, 535031, 2828021, 19796147]

約数ペア:

[(1, 19796147), (7, 2828021), (37, 535031), (49, 404003), (61, 324527), (179, 110593), (259, 76433), (427, 46361), (1253, 15799), (1813, 10919), (2257, 8771), (2989, 6623)]