18861507225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:629

約数の個数: 216

約数和(自身を含む): 39872510496

約数和(自身を除く): 21011003271

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 83, 85, 99, 121, 153, 165, 187, 225, 249, 255, 275, 363, 415, 425, 491, 495, 561, 605, 747, 765, 825, 913, 935, 1089, 1245, 1275, 1411, 1473, 1683, 1815, 2057, 2075, 2455, 2475, 2739, 2805, 3025, 3735, 3825, 4233, 4419, 4565, 4675, 5401, 5445, 6171, 6225, 7055, 7365, 8217, 8347, 8415, 9075, 10043, 10285, 12275, 12699, 13695, 14025, 15521, 16203, 18513, 18675, 21165, 22095, 22825, 25041, 27005, 27225, 30129, 30855, 35275, 36825, 40753, 41085, 41735, 42075, 46563, 48609, 50215, 51425, 59411, 63495, 68475, 75123, 77605, 81015, 90387, 91817, 92565, 105825, 110475, 122259, 125205, 135025, 139689, 150645, 154275, 170731, 178233, 203765, 205425, 208675, 232815, 243045, 251075, 275451, 297055, 317475, 366777, 375615, 388025, 405075, 448283, 451935, 459085, 462825, 512193, 534699, 611295, 626025, 692801, 698445, 753225, 826353, 853655, 891165, 1009987, 1018825, 1164075, 1215225, 1344849, 1377255, 1485275, 1536579, 1833885, 1878075, 2078403, 2241415, 2259675, 2295425, 2560965, 2673495, 3029961, 3056475, 3464005, 3492225, 4034547, 4131765, 4268275, 4455825, 4931113, 5049935, 6235209, 6724245, 6886275, 7620811, 7682895, 9089883, 9169425, 10392015, 11207075, 12804825, 13367475, 14793339, 15149805, 17320025, 20172735, 20658825, 22862433, 24655565, 25249675, 31176045, 33621225, 38104055, 38414475, 44380017, 45449415, 51960075, 68587299, 73966695, 75749025, 83828921, 100863675, 114312165, 123277825, 155880225, 190520275, 221900085, 227247075, 251486763, 342936495, 369833475, 419144605, 571560825, 754460289, 1109500425, 1257433815, 1714682475, 2095723025, 3772301445, 6287169075, 18861507225]

約数ペア:

[(1, 18861507225), (3, 6287169075), (5, 3772301445), (9, 2095723025), (11, 1714682475), (15, 1257433815), (17, 1109500425), (25, 754460289), (33, 571560825), (45, 419144605), (51, 369833475), (55, 342936495), (75, 251486763), (83, 227247075), (85, 221900085), (99, 190520275), (121, 155880225), (153, 123277825), (165, 114312165), (187, 100863675), (225, 83828921), (249, 75749025), (255, 73966695), (275, 68587299), (363, 51960075), (415, 45449415), (425, 44380017), (491, 38414475), (495, 38104055), (561, 33621225), (605, 31176045), (747, 25249675), (765, 24655565), (825, 22862433), (913, 20658825), (935, 20172735), (1089, 17320025), (1245, 15149805), (1275, 14793339), (1411, 13367475), (1473, 12804825), (1683, 11207075), (1815, 10392015), (2057, 9169425), (2075, 9089883), (2455, 7682895), (2475, 7620811), (2739, 6886275), (2805, 6724245), (3025, 6235209), (3735, 5049935), (3825, 4931113), (4233, 4455825), (4419, 4268275), (4565, 4131765), (4675, 4034547), (5401, 3492225), (5445, 3464005), (6171, 3056475), (6225, 3029961), (7055, 2673495), (7365, 2560965), (8217, 2295425), (8347, 2259675), (8415, 2241415), (9075, 2078403), (10043, 1878075), (10285, 1833885), (12275, 1536579), (12699, 1485275), (13695, 1377255), (14025, 1344849), (15521, 1215225), (16203, 1164075), (18513, 1018825), (18675, 1009987), (21165, 891165), (22095, 853655), (22825, 826353), (25041, 753225), (27005, 698445), (27225, 692801), (30129, 626025), (30855, 611295), (35275, 534699), (36825, 512193), (40753, 462825), (41085, 459085), (41735, 451935), (42075, 448283), (46563, 405075), (48609, 388025), (50215, 375615), (51425, 366777), (59411, 317475), (63495, 297055), (68475, 275451), (75123, 251075), (77605, 243045), (81015, 232815), (90387, 208675), (91817, 205425), (92565, 203765), (105825, 178233), (110475, 170731), (122259, 154275), (125205, 150645), (135025, 139689)]