19855008

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1058

約数の個数: 72

約数和(自身を含む): 57316896

約数和(自身を除く): 37461888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 971, 1136, 1278, 1704, 1942, 2272, 2556, 2913, 3408, 3884, 5112, 5826, 6816, 7768, 8739, 10224, 11652, 15536, 17478, 20448, 23304, 31072, 34956, 46608, 68941, 69912, 93216, 137882, 139824, 206823, 275764, 279648, 413646, 551528, 620469, 827292, 1103056, 1240938, 1654584, 2206112, 2481876, 3309168, 4963752, 6618336, 9927504, 19855008]

約数ペア:

[(1, 19855008), (2, 9927504), (3, 6618336), (4, 4963752), (6, 3309168), (8, 2481876), (9, 2206112), (12, 1654584), (16, 1240938), (18, 1103056), (24, 827292), (32, 620469), (36, 551528), (48, 413646), (71, 279648), (72, 275764), (96, 206823), (142, 139824), (144, 137882), (213, 93216), (284, 69912), (288, 68941), (426, 46608), (568, 34956), (639, 31072), (852, 23304), (971, 20448), (1136, 17478), (1278, 15536), (1704, 11652), (1942, 10224), (2272, 8739), (2556, 7768), (2913, 6816), (3408, 5826), (3884, 5112)]