18165260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11497}}^1$

素因数の和:11585

約数の個数: 24

約数和(自身を含む): 38633280

約数和(自身を除く): 20468020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11497, 22994, 45988, 57485, 114970, 229940, 908263, 1816526, 3633052, 4541315, 9082630, 18165260]

約数ペア:

[(1, 18165260), (2, 9082630), (4, 4541315), (5, 3633052), (10, 1816526), (20, 908263), (79, 229940), (158, 114970), (316, 57485), (395, 45988), (790, 22994), (1580, 11497)]