18391996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28559}}^1$

素因数の和:28593

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 19992644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 28559, 57118, 114236, 199913, 399826, 656857, 799652, 1313714, 2627428, 4597999, 9195998, 18391996]

約数ペア:

[(1, 18391996), (2, 9195998), (4, 4597999), (7, 2627428), (14, 1313714), (23, 799652), (28, 656857), (46, 399826), (92, 199913), (161, 114236), (322, 57118), (644, 28559)]