19256432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 41132784

約数和(自身を除く): 21876352

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2153, 2236, 4306, 4472, 8612, 8944, 17224, 27989, 34448, 55978, 92579, 111956, 185158, 223912, 370316, 447824, 740632, 1203527, 1481264, 2407054, 4814108, 9628216, 19256432]

約数ペア:

[(1, 19256432), (2, 9628216), (4, 4814108), (8, 2407054), (13, 1481264), (16, 1203527), (26, 740632), (43, 447824), (52, 370316), (86, 223912), (104, 185158), (172, 111956), (208, 92579), (344, 55978), (559, 34448), (688, 27989), (1118, 17224), (2153, 8944), (2236, 8612), (4306, 4472)]