18604809

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 28654080

約数和(自身を除く): 10049271

約数列:

[1, 3, 9, 27, 47, 81, 141, 181, 243, 423, 543, 729, 1269, 1629, 2187, 3807, 4887, 8507, 11421, 14661, 25521, 34263, 43983, 76563, 102789, 131949, 229689, 395847, 689067, 2067201, 6201603, 18604809]

約数ペア:

[(1, 18604809), (3, 6201603), (9, 2067201), (27, 689067), (47, 395847), (81, 229689), (141, 131949), (181, 102789), (243, 76563), (423, 43983), (543, 34263), (729, 25521), (1269, 14661), (1629, 11421), (2187, 8507), (3807, 4887)]