16581994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 13448342

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1567, 3134, 5291, 10582, 17237, 20371, 34474, 40742, 57979, 115958, 224081, 448162, 637769, 753727, 1275538, 1507454, 8290997, 16581994]

約数ペア:

[(1, 16581994), (2, 8290997), (11, 1507454), (13, 1275538), (22, 753727), (26, 637769), (37, 448162), (74, 224081), (143, 115958), (286, 57979), (407, 40742), (481, 34474), (814, 20371), (962, 17237), (1567, 10582), (3134, 5291)]