18468149

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 22483200

約数和(自身を除く): 4015051

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2341, 7889, 16387, 53843, 114709, 376901, 802963, 2638307, 18468149]

約数ペア:

[(1, 18468149), (7, 2638307), (23, 802963), (49, 376901), (161, 114709), (343, 53843), (1127, 16387), (2341, 7889)]