18987136

素因数分解:

$2^7\times 7^1\times {\mathrm{21191}}^1$

素因数の和:21212

約数の個数: 32

約数和(自身を含む): 43231680

約数和(自身を除く): 24244544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21191, 42382, 84764, 148337, 169528, 296674, 339056, 593348, 678112, 1186696, 1356224, 2373392, 2712448, 4746784, 9493568, 18987136]

約数ペア:

[(1, 18987136), (2, 9493568), (4, 4746784), (7, 2712448), (8, 2373392), (14, 1356224), (16, 1186696), (28, 678112), (32, 593348), (56, 339056), (64, 296674), (112, 169528), (128, 148337), (224, 84764), (448, 42382), (896, 21191)]