18282123

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 29599128

約数和(自身を除く): 11317005

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 331, 361, 969, 993, 1083, 2907, 2979, 3249, 5627, 6137, 6289, 16881, 18411, 18867, 50643, 55233, 56601, 106913, 119491, 320739, 358473, 962217, 1075419, 2031347, 6094041, 18282123]

約数ペア:

[(1, 18282123), (3, 6094041), (9, 2031347), (17, 1075419), (19, 962217), (51, 358473), (57, 320739), (153, 119491), (171, 106913), (323, 56601), (331, 55233), (361, 50643), (969, 18867), (993, 18411), (1083, 16881), (2907, 6289), (2979, 6137), (3249, 5627)]