19724936

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 28538104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 71, 77, 82, 88, 121, 142, 154, 164, 242, 284, 287, 308, 328, 451, 484, 497, 568, 574, 616, 781, 847, 902, 968, 994, 1148, 1562, 1694, 1804, 1988, 2296, 2911, 3124, 3157, 3388, 3608, 3976, 4961, 5467, 5822, 6248, 6314, 6776, 8591, 9922, 10934, 11644, 12628, 17182, 19844, 20377, 21868, 23288, 25256, 32021, 34364, 34727, 39688, 40754, 43736, 60137, 64042, 68728, 69454, 81508, 120274, 128084, 138908, 163016, 224147, 240548, 256168, 277816, 352231, 448294, 481096, 704462, 896588, 1408924, 1793176, 2465617, 2817848, 4931234, 9862468, 19724936]

約数ペア:

[(1, 19724936), (2, 9862468), (4, 4931234), (7, 2817848), (8, 2465617), (11, 1793176), (14, 1408924), (22, 896588), (28, 704462), (41, 481096), (44, 448294), (56, 352231), (71, 277816), (77, 256168), (82, 240548), (88, 224147), (121, 163016), (142, 138908), (154, 128084), (164, 120274), (242, 81508), (284, 69454), (287, 68728), (308, 64042), (328, 60137), (451, 43736), (484, 40754), (497, 39688), (568, 34727), (574, 34364), (616, 32021), (781, 25256), (847, 23288), (902, 21868), (968, 20377), (994, 19844), (1148, 17182), (1562, 12628), (1694, 11644), (1804, 10934), (1988, 9922), (2296, 8591), (2911, 6776), (3124, 6314), (3157, 6248), (3388, 5822), (3608, 5467), (3976, 4961)]