18915008

素因数分解:

$2^6\times 7^1\times {\mathrm{42221}}^1$

素因数の和:42240

約数の個数: 28

約数和(自身を含む): 42897552

約数和(自身を除く): 23982544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 42221, 84442, 168884, 295547, 337768, 591094, 675536, 1182188, 1351072, 2364376, 2702144, 4728752, 9457504, 18915008]

約数ペア:

[(1, 18915008), (2, 9457504), (4, 4728752), (7, 2702144), (8, 2364376), (14, 1351072), (16, 1182188), (28, 675536), (32, 591094), (56, 337768), (64, 295547), (112, 168884), (224, 84442), (448, 42221)]