17980004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33797}}^1$

素因数の和:33827

約数の個数: 24

約数和(自身を含む): 37853760

約数和(自身を除く): 19873756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 33797, 67594, 135188, 236579, 473158, 642143, 946316, 1284286, 2568572, 4495001, 8990002, 17980004]

約数ペア:

[(1, 17980004), (2, 8990002), (4, 4495001), (7, 2568572), (14, 1284286), (19, 946316), (28, 642143), (38, 473158), (76, 236579), (133, 135188), (266, 67594), (532, 33797)]