18281968

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1153}}^1$

素因数の和:2152

約数の個数: 20

約数和(自身を含む): 35487808

約数和(自身を除く): 17205840

約数列:

[1, 2, 4, 8, 16, 991, 1153, 1982, 2306, 3964, 4612, 7928, 9224, 15856, 18448, 1142623, 2285246, 4570492, 9140984, 18281968]

約数ペア:

[(1, 18281968), (2, 9140984), (4, 4570492), (8, 2285246), (16, 1142623), (991, 18448), (1153, 15856), (1982, 9224), (2306, 7928), (3964, 4612)]