19326671

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:112

約数の個数: 36

約数和(自身を含む): 26167536

約数和(自身を除く): 6840865

約数列:

[1, 7, 13, 17, 31, 91, 119, 169, 217, 221, 403, 527, 961, 1183, 1547, 2821, 2873, 3689, 5239, 6727, 6851, 12493, 16337, 20111, 36673, 47957, 87451, 89063, 114359, 162409, 212381, 623441, 1136863, 1486667, 2760953, 19326671]

約数ペア:

[(1, 19326671), (7, 2760953), (13, 1486667), (17, 1136863), (31, 623441), (91, 212381), (119, 162409), (169, 114359), (217, 89063), (221, 87451), (403, 47957), (527, 36673), (961, 20111), (1183, 16337), (1547, 12493), (2821, 6851), (2873, 6727), (3689, 5239)]