18515312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68071}}^1$

素因数の和:68096

約数の個数: 20

約数和(自身を含む): 37984176

約数和(自身を除く): 19468864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68071, 136142, 272284, 544568, 1089136, 1157207, 2314414, 4628828, 9257656, 18515312]

約数ペア:

[(1, 18515312), (2, 9257656), (4, 4628828), (8, 2314414), (16, 1157207), (17, 1089136), (34, 544568), (68, 272284), (136, 136142), (272, 68071)]