19447870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 37931040

約数和(自身を除く): 18483170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 709, 1055, 1418, 2110, 2743, 3545, 5486, 7090, 9217, 13715, 18434, 27430, 46085, 92170, 149599, 299198, 747995, 1495990, 1944787, 3889574, 9723935, 19447870]

約数ペア:

[(1, 19447870), (2, 9723935), (5, 3889574), (10, 1944787), (13, 1495990), (26, 747995), (65, 299198), (130, 149599), (211, 92170), (422, 46085), (709, 27430), (1055, 18434), (1418, 13715), (2110, 9217), (2743, 7090), (3545, 5486)]