28080018

素因数分解:

$2^1\times 3^2\times {\mathrm{1249}}^2$

素因数の和:2506

約数の個数: 18

約数和(自身を含む): 60888789

約数和(自身を除く): 32808771

約数列:

[1, 2, 3, 6, 9, 18, 1249, 2498, 3747, 7494, 11241, 22482, 1560001, 3120002, 4680003, 9360006, 14040009, 28080018]

約数ペア:

[(1, 28080018), (2, 14040009), (3, 9360006), (6, 4680003), (9, 3120002), (18, 1560001), (1249, 22482), (2498, 11241), (3747, 7494)]