18221488

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{13721}}^1$

素因数の和:13812

約数の個数: 20

約数和(自身を含む): 35732088

約数和(自身を除く): 17510600

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 13721, 27442, 54884, 109768, 219536, 1138843, 2277686, 4555372, 9110744, 18221488]

約数ペア:

[(1, 18221488), (2, 9110744), (4, 4555372), (8, 2277686), (16, 1138843), (83, 219536), (166, 109768), (332, 54884), (664, 27442), (1328, 13721)]