19805530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86111}}^1$

素因数の和:86141

約数の個数: 16

約数和(自身を含む): 37200384

約数和(自身を除く): 17394854

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86111, 172222, 430555, 861110, 1980553, 3961106, 9902765, 19805530]

約数ペア:

[(1, 19805530), (2, 9902765), (5, 3961106), (10, 1980553), (23, 861110), (46, 430555), (115, 172222), (230, 86111)]