19192976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 40872384

約数和(自身を除く): 21679408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 653, 668, 1306, 1336, 1837, 2612, 2672, 3674, 5224, 7183, 7348, 10448, 14366, 14696, 28732, 29392, 57464, 109051, 114928, 218102, 436204, 872408, 1199561, 1744816, 2399122, 4798244, 9596488, 19192976]

約数ペア:

[(1, 19192976), (2, 9596488), (4, 4798244), (8, 2399122), (11, 1744816), (16, 1199561), (22, 872408), (44, 436204), (88, 218102), (167, 114928), (176, 109051), (334, 57464), (653, 29392), (668, 28732), (1306, 14696), (1336, 14366), (1837, 10448), (2612, 7348), (2672, 7183), (3674, 5224)]