19403956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33923}}^1$

素因数の和:33951

約数の個数: 24

約数和(自身を含む): 39894624

約数和(自身を除く): 20490668

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33923, 67846, 135692, 373153, 440999, 746306, 881998, 1492612, 1763996, 4850989, 9701978, 19403956]

約数ペア:

[(1, 19403956), (2, 9701978), (4, 4850989), (11, 1763996), (13, 1492612), (22, 881998), (26, 746306), (44, 440999), (52, 373153), (143, 135692), (286, 67846), (572, 33923)]