19663317

素因数分解:

$3^{12}\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 26

約数和(自身を含む): 30292118

約数和(自身を除く): 10628801

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 2187, 2997, 6561, 8991, 19683, 26973, 59049, 80919, 177147, 242757, 531441, 728271, 2184813, 6554439, 19663317]

約数ペア:

[(1, 19663317), (3, 6554439), (9, 2184813), (27, 728271), (37, 531441), (81, 242757), (111, 177147), (243, 80919), (333, 59049), (729, 26973), (999, 19683), (2187, 8991), (2997, 6561)]