18774325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 24605568

約数和(自身を除く): 5831243

約数列:

[1, 5, 23, 25, 103, 115, 317, 515, 575, 1585, 2369, 2575, 7291, 7925, 11845, 32651, 36455, 59225, 163255, 182275, 750973, 816275, 3754865, 18774325]

約数ペア:

[(1, 18774325), (5, 3754865), (23, 816275), (25, 750973), (103, 182275), (115, 163255), (317, 59225), (515, 36455), (575, 32651), (1585, 11845), (2369, 7925), (2575, 7291)]