19994084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{859}}^1$

素因数の和:920

約数の個数: 36

約数和(自身を含む): 39948720

約数和(自身を除く): 19954636

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 529, 859, 1012, 1058, 1718, 2116, 3436, 5819, 9449, 11638, 18898, 19757, 23276, 37796, 39514, 79028, 217327, 434654, 454411, 869308, 908822, 1817644, 4998521, 9997042, 19994084]

約数ペア:

[(1, 19994084), (2, 9997042), (4, 4998521), (11, 1817644), (22, 908822), (23, 869308), (44, 454411), (46, 434654), (92, 217327), (253, 79028), (506, 39514), (529, 37796), (859, 23276), (1012, 19757), (1058, 18898), (1718, 11638), (2116, 9449), (3436, 5819)]