19400067

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4519}}^1$

素因数の和:4584

約数の個数: 20

約数和(自身を含む): 29533680

約数和(自身を除く): 10133613

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4519, 13557, 40671, 122013, 239507, 366039, 718521, 2155563, 6466689, 19400067]

約数ペア:

[(1, 19400067), (3, 6466689), (9, 2155563), (27, 718521), (53, 366039), (81, 239507), (159, 122013), (477, 40671), (1431, 13557), (4293, 4519)]