17891956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 35259840

約数和(自身を除く): 17367884

約数列:

[1, 2, 4, 17, 29, 34, 43, 58, 68, 86, 116, 172, 211, 422, 493, 731, 844, 986, 1247, 1462, 1972, 2494, 2924, 3587, 4988, 6119, 7174, 9073, 12238, 14348, 18146, 21199, 24476, 36292, 42398, 84796, 104023, 154241, 208046, 263117, 308482, 416092, 526234, 616964, 1052468, 4472989, 8945978, 17891956]

約数ペア:

[(1, 17891956), (2, 8945978), (4, 4472989), (17, 1052468), (29, 616964), (34, 526234), (43, 416092), (58, 308482), (68, 263117), (86, 208046), (116, 154241), (172, 104023), (211, 84796), (422, 42398), (493, 36292), (731, 24476), (844, 21199), (986, 18146), (1247, 14348), (1462, 12238), (1972, 9073), (2494, 7174), (2924, 6119), (3587, 4988)]