19806321

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 27195840

約数和(自身を除く): 7389519

約数列:

[1, 3, 41, 123, 283, 569, 849, 1707, 11603, 23329, 34809, 69987, 161027, 483081, 6602107, 19806321]

約数ペア:

[(1, 19806321), (3, 6602107), (41, 483081), (123, 161027), (283, 69987), (569, 34809), (849, 23329), (1707, 11603)]