18747960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 70156800

約数和(自身を除く): 51408840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2029, 2310, 3080, 4058, 4620, 6087, 8116, 9240, 10145, 12174, 14203, 16232, 20290, 22319, 24348, 28406, 30435, 40580, 42609, 44638, 48696, 56812, 60870, 66957, 71015, 81160, 85218, 89276, 111595, 113624, 121740, 133914, 142030, 156233, 170436, 178552, 213045, 223190, 243480, 267828, 284060, 312466, 334785, 340872, 426090, 446380, 468699, 535656, 568120, 624932, 669570, 781165, 852180, 892760, 937398, 1249864, 1339140, 1562330, 1704360, 1874796, 2343495, 2678280, 3124660, 3749592, 4686990, 6249320, 9373980, 18747960]

約数ペア:

[(1, 18747960), (2, 9373980), (3, 6249320), (4, 4686990), (5, 3749592), (6, 3124660), (7, 2678280), (8, 2343495), (10, 1874796), (11, 1704360), (12, 1562330), (14, 1339140), (15, 1249864), (20, 937398), (21, 892760), (22, 852180), (24, 781165), (28, 669570), (30, 624932), (33, 568120), (35, 535656), (40, 468699), (42, 446380), (44, 426090), (55, 340872), (56, 334785), (60, 312466), (66, 284060), (70, 267828), (77, 243480), (84, 223190), (88, 213045), (105, 178552), (110, 170436), (120, 156233), (132, 142030), (140, 133914), (154, 121740), (165, 113624), (168, 111595), (210, 89276), (220, 85218), (231, 81160), (264, 71015), (280, 66957), (308, 60870), (330, 56812), (385, 48696), (420, 44638), (440, 42609), (462, 40580), (616, 30435), (660, 28406), (770, 24348), (840, 22319), (924, 20290), (1155, 16232), (1320, 14203), (1540, 12174), (1848, 10145), (2029, 9240), (2310, 8116), (3080, 6087), (4058, 4620)]