18715232641

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{27763}}^1$

素因数の和:27925

約数の個数: 32

約数和(自身を含む): 23028572160

約数和(自身を除く): 4313339519

約数列:

[1, 7, 23, 53, 79, 161, 371, 553, 1219, 1817, 4187, 8533, 12719, 27763, 29309, 96301, 194341, 638549, 674107, 1471439, 2193277, 4469843, 10300073, 15352939, 33843097, 50445371, 116243681, 236901679, 353117597, 813705767, 2673604663, 18715232641]

約数ペア:

[(1, 18715232641), (7, 2673604663), (23, 813705767), (53, 353117597), (79, 236901679), (161, 116243681), (371, 50445371), (553, 33843097), (1219, 15352939), (1817, 10300073), (4187, 4469843), (8533, 2193277), (12719, 1471439), (27763, 674107), (29309, 638549), (96301, 194341)]