18209217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12619}}^1$

素因数の和:12672

約数の個数: 16

約数和(自身を含む): 26855360

約数和(自身を除く): 8646143

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 12619, 37857, 164047, 466903, 492141, 1400709, 6069739, 18209217]

約数ペア:

[(1, 18209217), (3, 6069739), (13, 1400709), (37, 492141), (39, 466903), (111, 164047), (481, 37857), (1443, 12619)]