19991832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 57630720

約数和(自身を除く): 37638888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 937, 1016, 1524, 1778, 1874, 2667, 2811, 3048, 3556, 3748, 5334, 5622, 6559, 7112, 7496, 10668, 11244, 13118, 19677, 21336, 22488, 26236, 39354, 52472, 78708, 118999, 157416, 237998, 356997, 475996, 713994, 832993, 951992, 1427988, 1665986, 2498979, 2855976, 3331972, 4997958, 6663944, 9995916, 19991832]

約数ペア:

[(1, 19991832), (2, 9995916), (3, 6663944), (4, 4997958), (6, 3331972), (7, 2855976), (8, 2498979), (12, 1665986), (14, 1427988), (21, 951992), (24, 832993), (28, 713994), (42, 475996), (56, 356997), (84, 237998), (127, 157416), (168, 118999), (254, 78708), (381, 52472), (508, 39354), (762, 26236), (889, 22488), (937, 21336), (1016, 19677), (1524, 13118), (1778, 11244), (1874, 10668), (2667, 7496), (2811, 7112), (3048, 6559), (3556, 5622), (3748, 5334)]