18878168736

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{153511}}^1$

素因数の和:153595

約数の個数: 144

約数和(自身を含む): 62360258688

約数和(自身を除く): 43482089952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 168, 183, 224, 244, 252, 288, 336, 366, 427, 488, 504, 549, 672, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 1952, 2016, 2196, 2562, 2928, 3416, 3843, 4392, 5124, 5856, 6832, 7686, 8784, 10248, 13664, 15372, 17568, 20496, 30744, 40992, 61488, 122976, 153511, 307022, 460533, 614044, 921066, 1074577, 1228088, 1381599, 1842132, 2149154, 2456176, 2763198, 3223731, 3684264, 4298308, 4912352, 5526396, 6447462, 7368528, 8596616, 9364171, 9671193, 11052792, 12894924, 14737056, 17193232, 18728342, 19342386, 22105584, 25789848, 28092513, 34386464, 37456684, 38684772, 44211168, 51579696, 56185026, 65549197, 74913368, 77369544, 84277539, 103159392, 112370052, 131098394, 149826736, 154739088, 168555078, 196647591, 224740104, 262196788, 299653472, 309478176, 337110156, 393295182, 449480208, 524393576, 589942773, 674220312, 786590364, 898960416, 1048787152, 1179885546, 1348440624, 1573180728, 2097574304, 2359771092, 2696881248, 3146361456, 4719542184, 6292722912, 9439084368, 18878168736]

約数ペア:

[(1, 18878168736), (2, 9439084368), (3, 6292722912), (4, 4719542184), (6, 3146361456), (7, 2696881248), (8, 2359771092), (9, 2097574304), (12, 1573180728), (14, 1348440624), (16, 1179885546), (18, 1048787152), (21, 898960416), (24, 786590364), (28, 674220312), (32, 589942773), (36, 524393576), (42, 449480208), (48, 393295182), (56, 337110156), (61, 309478176), (63, 299653472), (72, 262196788), (84, 224740104), (96, 196647591), (112, 168555078), (122, 154739088), (126, 149826736), (144, 131098394), (168, 112370052), (183, 103159392), (224, 84277539), (244, 77369544), (252, 74913368), (288, 65549197), (336, 56185026), (366, 51579696), (427, 44211168), (488, 38684772), (504, 37456684), (549, 34386464), (672, 28092513), (732, 25789848), (854, 22105584), (976, 19342386), (1008, 18728342), (1098, 17193232), (1281, 14737056), (1464, 12894924), (1708, 11052792), (1952, 9671193), (2016, 9364171), (2196, 8596616), (2562, 7368528), (2928, 6447462), (3416, 5526396), (3843, 4912352), (4392, 4298308), (5124, 3684264), (5856, 3223731), (6832, 2763198), (7686, 2456176), (8784, 2149154), (10248, 1842132), (13664, 1381599), (15372, 1228088), (17568, 1074577), (20496, 921066), (30744, 614044), (40992, 460533), (61488, 307022), (122976, 153511)]