18520532

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 33264000

約数和(自身を除く): 14743468

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 439, 796, 878, 1756, 10547, 21094, 23267, 42188, 46534, 87361, 93068, 174722, 349444, 4630133, 9260266, 18520532]

約数ペア:

[(1, 18520532), (2, 9260266), (4, 4630133), (53, 349444), (106, 174722), (199, 93068), (212, 87361), (398, 46534), (439, 42188), (796, 23267), (878, 21094), (1756, 10547)]