19412744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2557}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 39751320

約数和(自身を除く): 20338576

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2557, 3796, 5114, 7592, 10228, 20456, 33241, 66482, 132964, 186661, 265928, 373322, 746644, 1493288, 2426593, 4853186, 9706372, 19412744]

約数ペア:

[(1, 19412744), (2, 9706372), (4, 4853186), (8, 2426593), (13, 1493288), (26, 746644), (52, 373322), (73, 265928), (104, 186661), (146, 132964), (292, 66482), (584, 33241), (949, 20456), (1898, 10228), (2557, 7592), (3796, 5114)]