19992708

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6691}}^1$

素因数の和:6784

約数の個数: 36

約数和(自身を含む): 51153648

約数和(自身を除く): 31160940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6691, 13382, 20073, 26764, 40146, 60219, 80292, 120438, 240876, 555353, 1110706, 1666059, 2221412, 3332118, 4998177, 6664236, 9996354, 19992708]

約数ペア:

[(1, 19992708), (2, 9996354), (3, 6664236), (4, 4998177), (6, 3332118), (9, 2221412), (12, 1666059), (18, 1110706), (36, 555353), (83, 240876), (166, 120438), (249, 80292), (332, 60219), (498, 40146), (747, 26764), (996, 20073), (1494, 13382), (2988, 6691)]