18858884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8087}}^1$

素因数の和:8155

約数の個数: 24

約数和(自身を含む): 36687168

約数和(自身を除く): 17828284

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8087, 16174, 32348, 88957, 177914, 355828, 428611, 857222, 1714444, 4714721, 9429442, 18858884]

約数ペア:

[(1, 18858884), (2, 9429442), (4, 4714721), (11, 1714444), (22, 857222), (44, 428611), (53, 355828), (106, 177914), (212, 88957), (583, 32348), (1166, 16174), (2332, 8087)]