18813984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{27997}}^1$

素因数の和:28017

約数の個数: 48

約数和(自身を含む): 56443968

約数和(自身を除く): 37629984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 27997, 55994, 83991, 111988, 167982, 195979, 223976, 335964, 391958, 447952, 587937, 671928, 783916, 895904, 1175874, 1343856, 1567832, 2351748, 2687712, 3135664, 4703496, 6271328, 9406992, 18813984]

約数ペア:

[(1, 18813984), (2, 9406992), (3, 6271328), (4, 4703496), (6, 3135664), (7, 2687712), (8, 2351748), (12, 1567832), (14, 1343856), (16, 1175874), (21, 895904), (24, 783916), (28, 671928), (32, 587937), (42, 447952), (48, 391958), (56, 335964), (84, 223976), (96, 195979), (112, 167982), (168, 111988), (224, 83991), (336, 55994), (672, 27997)]