17407819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 22176000

約数和(自身を除く): 4768181

約数列:

[1, 11, 13, 19, 43, 143, 149, 209, 247, 473, 559, 817, 1639, 1937, 2717, 2831, 6149, 6407, 8987, 10621, 21307, 31141, 36803, 70477, 83291, 116831, 121733, 404833, 916201, 1339063, 1582529, 17407819]

約数ペア:

[(1, 17407819), (11, 1582529), (13, 1339063), (19, 916201), (43, 404833), (143, 121733), (149, 116831), (209, 83291), (247, 70477), (473, 36803), (559, 31141), (817, 21307), (1639, 10621), (1937, 8987), (2717, 6407), (2831, 6149)]