18708660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4519}}^1$

素因数の和:4557

約数の個数: 72

約数和(自身を含む): 59230080

約数和(自身を除く): 40521420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4519, 9038, 13557, 18076, 22595, 27114, 40671, 45190, 54228, 67785, 81342, 90380, 103937, 135570, 162684, 203355, 207874, 271140, 311811, 406710, 415748, 519685, 623622, 813420, 935433, 1039370, 1247244, 1559055, 1870866, 2078740, 3118110, 3741732, 4677165, 6236220, 9354330, 18708660]

約数ペア:

[(1, 18708660), (2, 9354330), (3, 6236220), (4, 4677165), (5, 3741732), (6, 3118110), (9, 2078740), (10, 1870866), (12, 1559055), (15, 1247244), (18, 1039370), (20, 935433), (23, 813420), (30, 623622), (36, 519685), (45, 415748), (46, 406710), (60, 311811), (69, 271140), (90, 207874), (92, 203355), (115, 162684), (138, 135570), (180, 103937), (207, 90380), (230, 81342), (276, 67785), (345, 54228), (414, 45190), (460, 40671), (690, 27114), (828, 22595), (1035, 18076), (1380, 13557), (2070, 9038), (4140, 4519)]