18853221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8597}}^1$

素因数の和:8660

約数の個数: 16

約数和(自身を含む): 27238464

約数和(自身を除く): 8385243

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 8597, 25791, 146149, 369671, 438447, 1109013, 6284407, 18853221]

約数ペア:

[(1, 18853221), (3, 6284407), (17, 1109013), (43, 438447), (51, 369671), (129, 146149), (731, 25791), (2193, 8597)]