18385864

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{827}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 39545280

約数和(自身を除く): 21159416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 827, 1588, 1654, 2779, 3176, 3308, 5558, 5789, 6616, 11116, 11578, 22232, 23156, 46312, 328319, 656638, 1313276, 2298233, 2626552, 4596466, 9192932, 18385864]

約数ペア:

[(1, 18385864), (2, 9192932), (4, 4596466), (7, 2626552), (8, 2298233), (14, 1313276), (28, 656638), (56, 328319), (397, 46312), (794, 23156), (827, 22232), (1588, 11578), (1654, 11116), (2779, 6616), (3176, 5789), (3308, 5558)]