19380573

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16693}}^1$

素因数の和:16745

約数の個数: 16

約数和(自身を含む): 29381440

約数和(自身を除く): 10000867

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16693, 50079, 150237, 450711, 717799, 2153397, 6460191, 19380573]

約数ペア:

[(1, 19380573), (3, 6460191), (9, 2153397), (27, 717799), (43, 450711), (129, 150237), (387, 50079), (1161, 16693)]