19833165

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 37964160

約数和(自身を除く): 18130995

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 165, 309, 389, 495, 515, 927, 1133, 1167, 1545, 1945, 3399, 3501, 4279, 4635, 5665, 5835, 10197, 12837, 16995, 17505, 21395, 38511, 40067, 50985, 64185, 120201, 192555, 200335, 360603, 440737, 601005, 1322211, 1803015, 2203685, 3966633, 6611055, 19833165]

約数ペア:

[(1, 19833165), (3, 6611055), (5, 3966633), (9, 2203685), (11, 1803015), (15, 1322211), (33, 601005), (45, 440737), (55, 360603), (99, 200335), (103, 192555), (165, 120201), (309, 64185), (389, 50985), (495, 40067), (515, 38511), (927, 21395), (1133, 17505), (1167, 16995), (1545, 12837), (1945, 10197), (3399, 5835), (3501, 5665), (4279, 4635)]