18858902391

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{27823}}^1$

素因数の和:27925

約数の個数: 72

約数和(自身を含む): 33400486080

約数和(自身を除く): 14541583689

約数列:

[1, 3, 7, 9, 21, 29, 49, 53, 63, 87, 147, 159, 203, 261, 371, 441, 477, 609, 1113, 1421, 1537, 1827, 2597, 3339, 4263, 4611, 7791, 10759, 12789, 13833, 23373, 27823, 32277, 75313, 83469, 96831, 194761, 225939, 250407, 584283, 677817, 806867, 1363327, 1474619, 1752849, 2420601, 4089981, 4423857, 5648069, 7261803, 10322333, 12269943, 13271571, 16944207, 30966999, 39536483, 42763951, 50832621, 72256331, 92900997, 118609449, 128291853, 216768993, 299347657, 355828347, 384875559, 650306979, 898042971, 2095433599, 2694128913, 6286300797, 18858902391]

約数ペア:

[(1, 18858902391), (3, 6286300797), (7, 2694128913), (9, 2095433599), (21, 898042971), (29, 650306979), (49, 384875559), (53, 355828347), (63, 299347657), (87, 216768993), (147, 128291853), (159, 118609449), (203, 92900997), (261, 72256331), (371, 50832621), (441, 42763951), (477, 39536483), (609, 30966999), (1113, 16944207), (1421, 13271571), (1537, 12269943), (1827, 10322333), (2597, 7261803), (3339, 5648069), (4263, 4423857), (4611, 4089981), (7791, 2420601), (10759, 1752849), (12789, 1474619), (13833, 1363327), (23373, 806867), (27823, 677817), (32277, 584283), (75313, 250407), (83469, 225939), (96831, 194761)]