19957212

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 37377828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 107, 108, 132, 157, 198, 214, 297, 314, 321, 396, 428, 471, 594, 628, 642, 942, 963, 1177, 1188, 1284, 1413, 1727, 1884, 1926, 2354, 2826, 2889, 3454, 3531, 3852, 4239, 4708, 5181, 5652, 5778, 6908, 7062, 8478, 10362, 10593, 11556, 14124, 15543, 16799, 16956, 20724, 21186, 31086, 31779, 33598, 42372, 46629, 50397, 62172, 63558, 67196, 93258, 100794, 127116, 151191, 184789, 186516, 201588, 302382, 369578, 453573, 554367, 604764, 739156, 907146, 1108734, 1663101, 1814292, 2217468, 3326202, 4989303, 6652404, 9978606, 19957212]

約数ペア:

[(1, 19957212), (2, 9978606), (3, 6652404), (4, 4989303), (6, 3326202), (9, 2217468), (11, 1814292), (12, 1663101), (18, 1108734), (22, 907146), (27, 739156), (33, 604764), (36, 554367), (44, 453573), (54, 369578), (66, 302382), (99, 201588), (107, 186516), (108, 184789), (132, 151191), (157, 127116), (198, 100794), (214, 93258), (297, 67196), (314, 63558), (321, 62172), (396, 50397), (428, 46629), (471, 42372), (594, 33598), (628, 31779), (642, 31086), (942, 21186), (963, 20724), (1177, 16956), (1188, 16799), (1284, 15543), (1413, 14124), (1727, 11556), (1884, 10593), (1926, 10362), (2354, 8478), (2826, 7062), (2889, 6908), (3454, 5778), (3531, 5652), (3852, 5181), (4239, 4708)]