18195376

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{8681}}^1$

素因数の和:8820

約数の個数: 20

約数和(自身を含む): 35526744

約数和(自身を除く): 17331368

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 8681, 17362, 34724, 69448, 138896, 1137211, 2274422, 4548844, 9097688, 18195376]

約数ペア:

[(1, 18195376), (2, 9097688), (4, 4548844), (8, 2274422), (16, 1137211), (131, 138896), (262, 69448), (524, 34724), (1048, 17362), (2096, 8681)]