19239225

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 32265792

約数和(自身を除く): 13026567

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3613, 5325, 10839, 18065, 54195, 90325, 256523, 270975, 769569, 1282615, 3847845, 6413075, 19239225]

約数ペア:

[(1, 19239225), (3, 6413075), (5, 3847845), (15, 1282615), (25, 769569), (71, 270975), (75, 256523), (213, 90325), (355, 54195), (1065, 18065), (1775, 10839), (3613, 5325)]