18458006

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 35458560

約数和(自身を除く): 17000554

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 322, 431, 437, 862, 874, 931, 1127, 1862, 2254, 3017, 3059, 6034, 6118, 8189, 9913, 16378, 19826, 21119, 21413, 42238, 42826, 57323, 69391, 114646, 138782, 188347, 376694, 401261, 485737, 802522, 971474, 1318429, 2636858, 9229003, 18458006]

約数ペア:

[(1, 18458006), (2, 9229003), (7, 2636858), (14, 1318429), (19, 971474), (23, 802522), (38, 485737), (46, 401261), (49, 376694), (98, 188347), (133, 138782), (161, 114646), (266, 69391), (322, 57323), (431, 42826), (437, 42238), (862, 21413), (874, 21119), (931, 19826), (1127, 16378), (1862, 9913), (2254, 8189), (3017, 6118), (3059, 6034)]