18478585352

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20440913}}^1$

素因数の和:20441032

約数の個数: 16

約数和(自身を含む): 34953962940

約数和(自身を除く): 16475377588

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20440913, 40881826, 81763652, 163527304, 2309823169, 4619646338, 9239292676, 18478585352]

約数ペア:

[(1, 18478585352), (2, 9239292676), (4, 4619646338), (8, 2309823169), (113, 163527304), (226, 81763652), (452, 40881826), (904, 20440913)]