17938566

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 22421754

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 223, 246, 327, 369, 446, 654, 669, 738, 981, 1338, 1962, 2007, 4014, 4469, 8938, 9143, 13407, 18286, 24307, 26814, 27429, 40221, 48614, 54858, 72921, 80442, 82287, 145842, 164574, 218763, 437526, 996587, 1993174, 2989761, 5979522, 8969283, 17938566]

約数ペア:

[(1, 17938566), (2, 8969283), (3, 5979522), (6, 2989761), (9, 1993174), (18, 996587), (41, 437526), (82, 218763), (109, 164574), (123, 145842), (218, 82287), (223, 80442), (246, 72921), (327, 54858), (369, 48614), (446, 40221), (654, 27429), (669, 26814), (738, 24307), (981, 18286), (1338, 13407), (1962, 9143), (2007, 8938), (4014, 4469)]