18389972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 34304256

約数和(自身を除く): 15914284

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4253, 4324, 8506, 17012, 97819, 195638, 199891, 391276, 399782, 799564, 4597493, 9194986, 18389972]

約数ペア:

[(1, 18389972), (2, 9194986), (4, 4597493), (23, 799564), (46, 399782), (47, 391276), (92, 199891), (94, 195638), (188, 97819), (1081, 17012), (2162, 8506), (4253, 4324)]