18949883

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 21078144

約数和(自身を除く): 2128261

約数列:

[1, 17, 37, 47, 629, 641, 799, 1739, 10897, 23717, 29563, 30127, 403189, 512159, 1114699, 18949883]

約数ペア:

[(1, 18949883), (17, 1114699), (37, 512159), (47, 403189), (629, 30127), (641, 29563), (799, 23717), (1739, 10897)]