19972788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 31507788

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 83, 132, 166, 249, 332, 498, 913, 996, 1823, 1826, 2739, 3646, 3652, 5469, 5478, 7292, 10938, 10956, 20053, 21876, 40106, 60159, 80212, 120318, 151309, 240636, 302618, 453927, 605236, 907854, 1664399, 1815708, 3328798, 4993197, 6657596, 9986394, 19972788]

約数ペア:

[(1, 19972788), (2, 9986394), (3, 6657596), (4, 4993197), (6, 3328798), (11, 1815708), (12, 1664399), (22, 907854), (33, 605236), (44, 453927), (66, 302618), (83, 240636), (132, 151309), (166, 120318), (249, 80212), (332, 60159), (498, 40106), (913, 21876), (996, 20053), (1823, 10956), (1826, 10938), (2739, 7292), (3646, 5478), (3652, 5469)]