2149559990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9345913}}^1$

素因数の和:9345943

約数の個数: 16

約数和(自身を含む): 4037434848

約数和(自身を除く): 1887874858

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 9345913, 18691826, 46729565, 93459130, 214955999, 429911998, 1074779995, 2149559990]

約数ペア:

[(1, 2149559990), (2, 1074779995), (5, 429911998), (10, 214955999), (23, 93459130), (46, 46729565), (115, 18691826), (230, 9345913)]