18870254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4871}}^1$

素因数の和:5035

約数の個数: 16

約数和(自身を含む): 30693600

約数和(自身を除く): 11823346

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 4871, 9742, 63323, 126646, 725779, 1451558, 9435127, 18870254]

約数ペア:

[(1, 18870254), (2, 9435127), (13, 1451558), (26, 725779), (149, 126646), (298, 63323), (1937, 9742), (3874, 4871)]