19922672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 48901632

約数和(自身を除く): 28978960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 103, 112, 154, 157, 176, 206, 308, 314, 412, 616, 628, 721, 824, 1099, 1133, 1232, 1256, 1442, 1648, 1727, 2198, 2266, 2512, 2884, 3454, 4396, 4532, 5768, 6908, 7931, 8792, 9064, 11536, 12089, 13816, 15862, 16171, 17584, 18128, 24178, 27632, 31724, 32342, 48356, 63448, 64684, 96712, 113197, 126896, 129368, 177881, 193424, 226394, 258736, 355762, 452788, 711524, 905576, 1245167, 1423048, 1811152, 2490334, 2846096, 4980668, 9961336, 19922672]

約数ペア:

[(1, 19922672), (2, 9961336), (4, 4980668), (7, 2846096), (8, 2490334), (11, 1811152), (14, 1423048), (16, 1245167), (22, 905576), (28, 711524), (44, 452788), (56, 355762), (77, 258736), (88, 226394), (103, 193424), (112, 177881), (154, 129368), (157, 126896), (176, 113197), (206, 96712), (308, 64684), (314, 63448), (412, 48356), (616, 32342), (628, 31724), (721, 27632), (824, 24178), (1099, 18128), (1133, 17584), (1232, 16171), (1256, 15862), (1442, 13816), (1648, 12089), (1727, 11536), (2198, 9064), (2266, 8792), (2512, 7931), (2884, 6908), (3454, 5768), (4396, 4532)]