18687542

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11725258

約数列:

[1, 2, 29, 43, 58, 59, 86, 118, 127, 254, 1247, 1711, 2494, 2537, 3422, 3683, 5074, 5461, 7366, 7493, 10922, 14986, 73573, 147146, 158369, 217297, 316738, 322199, 434594, 644398, 9343771, 18687542]

約数ペア:

[(1, 18687542), (2, 9343771), (29, 644398), (43, 434594), (58, 322199), (59, 316738), (86, 217297), (118, 158369), (127, 147146), (254, 73573), (1247, 14986), (1711, 10922), (2494, 7493), (2537, 7366), (3422, 5461), (3683, 5074)]