19582209

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{4007}}^1$

素因数の和:4197

約数の個数: 16

約数和(自身を含む): 29178240

約数和(自身を除く): 9596031

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4007, 4887, 12021, 36063, 108189, 725267, 2175801, 6527403, 19582209]

約数ペア:

[(1, 19582209), (3, 6527403), (9, 2175801), (27, 725267), (181, 108189), (543, 36063), (1629, 12021), (4007, 4887)]