20178032908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1270337}}^1$

素因数の和:1270390

約数の個数: 36

約数和(自身を含む): 40655897352

約数和(自身を除く): 20477864444

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1444, 3971, 7942, 15884, 1270337, 2540674, 5081348, 13973707, 24136403, 27947414, 48272806, 55894828, 96545612, 265500433, 458591657, 531000866, 917183314, 1062001732, 1834366628, 5044508227, 10089016454, 20178032908]

約数ペア:

[(1, 20178032908), (2, 10089016454), (4, 5044508227), (11, 1834366628), (19, 1062001732), (22, 917183314), (38, 531000866), (44, 458591657), (76, 265500433), (209, 96545612), (361, 55894828), (418, 48272806), (722, 27947414), (836, 24136403), (1444, 13973707), (3971, 5081348), (7942, 2540674), (15884, 1270337)]