19676691

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 29300544

約数和(自身を除く): 9623853

約数列:

[1, 3, 9, 47, 141, 181, 257, 423, 543, 771, 1629, 2313, 8507, 12079, 25521, 36237, 46517, 76563, 108711, 139551, 418653, 2186299, 6558897, 19676691]

約数ペア:

[(1, 19676691), (3, 6558897), (9, 2186299), (47, 418653), (141, 139551), (181, 108711), (257, 76563), (423, 46517), (543, 36237), (771, 25521), (1629, 12079), (2313, 8507)]