17961916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1826

約数の個数: 36

約数和(自身を含む): 37935408

約数和(自身を除く): 19973492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1777, 2527, 3554, 5054, 7108, 10108, 12439, 24878, 33763, 49756, 67526, 135052, 236341, 472682, 641497, 945364, 1282994, 2565988, 4490479, 8980958, 17961916]

約数ペア:

[(1, 17961916), (2, 8980958), (4, 4490479), (7, 2565988), (14, 1282994), (19, 945364), (28, 641497), (38, 472682), (76, 236341), (133, 135052), (266, 67526), (361, 49756), (532, 33763), (722, 24878), (1444, 12439), (1777, 10108), (2527, 7108), (3554, 5054)]