18720752

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{3691}}^1$

素因数の和:4016

約数の個数: 20

約数和(自身を含む): 36395736

約数和(自身を除く): 17674984

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 3691, 5072, 7382, 14764, 29528, 59056, 1170047, 2340094, 4680188, 9360376, 18720752]

約数ペア:

[(1, 18720752), (2, 9360376), (4, 4680188), (8, 2340094), (16, 1170047), (317, 59056), (634, 29528), (1268, 14764), (2536, 7382), (3691, 5072)]