19922799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1249}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 28700000

約数和(自身を除く): 8777201

約数列:

[1, 3, 13, 39, 409, 1227, 1249, 3747, 5317, 15951, 16237, 48711, 510841, 1532523, 6640933, 19922799]

約数ペア:

[(1, 19922799), (3, 6640933), (13, 1532523), (39, 510841), (409, 48711), (1227, 16237), (1249, 15951), (3747, 5317)]