18985030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31123}}^1$

素因数の和:31191

約数の個数: 16

約数和(自身を含む): 34734384

約数和(自身を除く): 15749354

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 31123, 62246, 155615, 311230, 1898503, 3797006, 9492515, 18985030]

約数ペア:

[(1, 18985030), (2, 9492515), (5, 3797006), (10, 1898503), (61, 311230), (122, 155615), (305, 62246), (610, 31123)]