18812728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3011}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 39035520

約数和(自身を除く): 20222792

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3011, 3124, 6022, 6248, 12044, 24088, 33121, 66242, 132484, 213781, 264968, 427562, 855124, 1710248, 2351591, 4703182, 9406364, 18812728]

約数ペア:

[(1, 18812728), (2, 9406364), (4, 4703182), (8, 2351591), (11, 1710248), (22, 855124), (44, 427562), (71, 264968), (88, 213781), (142, 132484), (284, 66242), (568, 33121), (781, 24088), (1562, 12044), (3011, 6248), (3124, 6022)]