18742857

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52501}}^1$

素因数の和:52528

約数の個数: 16

約数和(自身を含む): 30241152

約数和(自身を除く): 11498295

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52501, 157503, 367507, 892517, 1102521, 2677551, 6247619, 18742857]

約数ペア:

[(1, 18742857), (3, 6247619), (7, 2677551), (17, 1102521), (21, 892517), (51, 367507), (119, 157503), (357, 52501)]