18804376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 37364400

約数和(自身を除く): 18560024

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 641, 772, 1282, 1544, 2564, 3667, 5128, 7334, 12179, 14668, 24358, 29336, 48716, 97432, 123713, 247426, 494852, 989704, 2350547, 4701094, 9402188, 18804376]

約数ペア:

[(1, 18804376), (2, 9402188), (4, 4701094), (8, 2350547), (19, 989704), (38, 494852), (76, 247426), (152, 123713), (193, 97432), (386, 48716), (641, 29336), (772, 24358), (1282, 14668), (1544, 12179), (2564, 7334), (3667, 5128)]