19538615

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 25084080

約数和(自身を除く): 5545465

約数列:

[1, 5, 23, 83, 89, 115, 415, 445, 529, 1909, 2047, 2645, 7387, 9545, 10235, 36935, 43907, 47081, 169901, 219535, 235405, 849505, 3907723, 19538615]

約数ペア:

[(1, 19538615), (5, 3907723), (23, 849505), (83, 235405), (89, 219535), (115, 169901), (415, 47081), (445, 43907), (529, 36935), (1909, 10235), (2047, 9545), (2645, 7387)]