19281782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10159}}^1$

素因数の和:10247

約数の個数: 16

約数和(自身を含む): 31577280

約数和(自身を除く): 12295498

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10159, 20318, 132067, 264134, 741607, 1483214, 9640891, 19281782]

約数ペア:

[(1, 19281782), (2, 9640891), (13, 1483214), (26, 741607), (73, 264134), (146, 132067), (949, 20318), (1898, 10159)]