18236178567

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4337}}^1$

素因数の和:4470

約数の個数: 80

約数和(自身を含む): 29679832512

約数和(自身を除く): 11443653945

約数列:

[1, 3, 9, 23, 27, 37, 61, 69, 81, 111, 183, 207, 333, 549, 621, 851, 999, 1403, 1647, 1863, 2257, 2553, 2997, 4209, 4337, 4941, 6771, 7659, 12627, 13011, 20313, 22977, 37881, 39033, 51911, 60939, 68931, 99751, 113643, 117099, 155733, 160469, 182817, 264557, 299253, 351297, 467199, 481407, 793671, 897759, 1401597, 1444221, 2381013, 2693277, 3690787, 4204791, 4332663, 6084811, 7143039, 8079831, 9788609, 11072361, 12997989, 18254433, 21429117, 29365827, 33217083, 54763299, 88097481, 99651249, 164289897, 225138007, 264292443, 298953747, 492869691, 675414021, 792877329, 2026242063, 6078726189, 18236178567]

約数ペア:

[(1, 18236178567), (3, 6078726189), (9, 2026242063), (23, 792877329), (27, 675414021), (37, 492869691), (61, 298953747), (69, 264292443), (81, 225138007), (111, 164289897), (183, 99651249), (207, 88097481), (333, 54763299), (549, 33217083), (621, 29365827), (851, 21429117), (999, 18254433), (1403, 12997989), (1647, 11072361), (1863, 9788609), (2257, 8079831), (2553, 7143039), (2997, 6084811), (4209, 4332663), (4337, 4204791), (4941, 3690787), (6771, 2693277), (7659, 2381013), (12627, 1444221), (13011, 1401597), (20313, 897759), (22977, 793671), (37881, 481407), (39033, 467199), (51911, 351297), (60939, 299253), (68931, 264557), (99751, 182817), (113643, 160469), (117099, 155733)]