2019894584

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{4987}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 3822104880

約数和(自身を除く): 1802210296

約数列:

[1, 2, 4, 8, 197, 257, 394, 514, 788, 1028, 1576, 2056, 4987, 9974, 19948, 39896, 50629, 101258, 202516, 405032, 982439, 1281659, 1964878, 2563318, 3929756, 5126636, 7859512, 10253272, 252486823, 504973646, 1009947292, 2019894584]

約数ペア:

[(1, 2019894584), (2, 1009947292), (4, 504973646), (8, 252486823), (197, 10253272), (257, 7859512), (394, 5126636), (514, 3929756), (788, 2563318), (1028, 1964878), (1576, 1281659), (2056, 982439), (4987, 405032), (9974, 202516), (19948, 101258), (39896, 50629)]