19708745

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11981}}^1$

素因数の和:12040

約数の個数: 16

約数和(自身を含む): 27606528

約数和(自身を除く): 7897783

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 11981, 59905, 83867, 419335, 563107, 2815535, 3941749, 19708745]

約数ペア:

[(1, 19708745), (5, 3941749), (7, 2815535), (35, 563107), (47, 419335), (235, 83867), (329, 59905), (1645, 11981)]