19137725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 25123392

約数和(自身を除く): 5985667

約数列:

[1, 5, 23, 25, 83, 115, 401, 415, 575, 1909, 2005, 2075, 9223, 9545, 10025, 33283, 46115, 47725, 166415, 230575, 765509, 832075, 3827545, 19137725]

約数ペア:

[(1, 19137725), (5, 3827545), (23, 832075), (25, 765509), (83, 230575), (115, 166415), (401, 47725), (415, 46115), (575, 33283), (1909, 10025), (2005, 9545), (2075, 9223)]