19720368

素因数分解:

$2^4\times 3^3\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 57139200

約数和(自身を除く): 37418832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 191, 216, 239, 382, 432, 478, 573, 717, 764, 956, 1146, 1434, 1528, 1719, 1912, 2151, 2292, 2868, 3056, 3438, 3824, 4302, 4584, 5157, 5736, 6453, 6876, 8604, 9168, 10314, 11472, 12906, 13752, 17208, 20628, 25812, 27504, 34416, 41256, 45649, 51624, 82512, 91298, 103248, 136947, 182596, 273894, 365192, 410841, 547788, 730384, 821682, 1095576, 1232523, 1643364, 2191152, 2465046, 3286728, 4930092, 6573456, 9860184, 19720368]

約数ペア:

[(1, 19720368), (2, 9860184), (3, 6573456), (4, 4930092), (6, 3286728), (8, 2465046), (9, 2191152), (12, 1643364), (16, 1232523), (18, 1095576), (24, 821682), (27, 730384), (36, 547788), (48, 410841), (54, 365192), (72, 273894), (108, 182596), (144, 136947), (191, 103248), (216, 91298), (239, 82512), (382, 51624), (432, 45649), (478, 41256), (573, 34416), (717, 27504), (764, 25812), (956, 20628), (1146, 17208), (1434, 13752), (1528, 12906), (1719, 11472), (1912, 10314), (2151, 9168), (2292, 8604), (2868, 6876), (3056, 6453), (3438, 5736), (3824, 5157), (4302, 4584)]