19684809

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4073}}^1$

素因数の和:4261

約数の個数: 16

約数和(自身を含む): 29332800

約数和(自身を除く): 9647991

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4073, 4833, 12219, 36657, 109971, 729067, 2187201, 6561603, 19684809]

約数ペア:

[(1, 19684809), (3, 6561603), (9, 2187201), (27, 729067), (179, 109971), (537, 36657), (1611, 12219), (4073, 4833)]