18556564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 35989716

約数和(自身を除く): 17433152

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 193, 386, 559, 772, 1118, 1849, 2236, 2509, 3698, 5018, 7396, 8299, 10036, 16598, 24037, 33196, 48074, 96148, 107887, 215774, 356857, 431548, 713714, 1427428, 4639141, 9278282, 18556564]

約数ペア:

[(1, 18556564), (2, 9278282), (4, 4639141), (13, 1427428), (26, 713714), (43, 431548), (52, 356857), (86, 215774), (172, 107887), (193, 96148), (386, 48074), (559, 33196), (772, 24037), (1118, 16598), (1849, 10036), (2236, 8299), (2509, 7396), (3698, 5018)]