18389336

素因数分解:

$2^3\times 7^1\times {\mathrm{328381}}^1$

素因数の和:328394

約数の個数: 16

約数和(自身を含む): 39405840

約数和(自身を除く): 21016504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 328381, 656762, 1313524, 2298667, 2627048, 4597334, 9194668, 18389336]

約数ペア:

[(1, 18389336), (2, 9194668), (4, 4597334), (7, 2627048), (8, 2298667), (14, 1313524), (28, 656762), (56, 328381)]