19101816

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2089}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 52166400

約数和(自身を除く): 33064584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2089, 2286, 3048, 4178, 4572, 6267, 8356, 9144, 12534, 16712, 18801, 25068, 37602, 50136, 75204, 150408, 265303, 530606, 795909, 1061212, 1591818, 2122424, 2387727, 3183636, 4775454, 6367272, 9550908, 19101816]

約数ペア:

[(1, 19101816), (2, 9550908), (3, 6367272), (4, 4775454), (6, 3183636), (8, 2387727), (9, 2122424), (12, 1591818), (18, 1061212), (24, 795909), (36, 530606), (72, 265303), (127, 150408), (254, 75204), (381, 50136), (508, 37602), (762, 25068), (1016, 18801), (1143, 16712), (1524, 12534), (2089, 9144), (2286, 8356), (3048, 6267), (4178, 4572)]