19725768

素因数分解:

$2^3\times 3^5\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 56565600

約数和(自身を除く): 36839832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 139, 146, 162, 216, 219, 243, 278, 292, 324, 417, 438, 486, 556, 584, 648, 657, 834, 876, 972, 1112, 1251, 1314, 1668, 1752, 1944, 1971, 2502, 2628, 3336, 3753, 3942, 5004, 5256, 5913, 7506, 7884, 10008, 10147, 11259, 11826, 15012, 15768, 17739, 20294, 22518, 23652, 30024, 30441, 33777, 35478, 40588, 45036, 47304, 60882, 67554, 70956, 81176, 90072, 91323, 121764, 135108, 141912, 182646, 243528, 270216, 273969, 365292, 547938, 730584, 821907, 1095876, 1643814, 2191752, 2465721, 3287628, 4931442, 6575256, 9862884, 19725768]

約数ペア:

[(1, 19725768), (2, 9862884), (3, 6575256), (4, 4931442), (6, 3287628), (8, 2465721), (9, 2191752), (12, 1643814), (18, 1095876), (24, 821907), (27, 730584), (36, 547938), (54, 365292), (72, 273969), (73, 270216), (81, 243528), (108, 182646), (139, 141912), (146, 135108), (162, 121764), (216, 91323), (219, 90072), (243, 81176), (278, 70956), (292, 67554), (324, 60882), (417, 47304), (438, 45036), (486, 40588), (556, 35478), (584, 33777), (648, 30441), (657, 30024), (834, 23652), (876, 22518), (972, 20294), (1112, 17739), (1251, 15768), (1314, 15012), (1668, 11826), (1752, 11259), (1944, 10147), (1971, 10008), (2502, 7884), (2628, 7506), (3336, 5913), (3753, 5256), (3942, 5004)]