18316837

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 24624000

約数和(自身を除く): 6307163

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 1999, 9163, 13993, 21989, 33983, 97951, 153923, 237881, 373813, 1077461, 1665167, 2616691, 18316837]

約数ペア:

[(1, 18316837), (7, 2616691), (11, 1665167), (17, 1077461), (49, 373813), (77, 237881), (119, 153923), (187, 97951), (539, 33983), (833, 21989), (1309, 13993), (1999, 9163)]