19743243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10771}}^1$

素因数の和:10834

約数の個数: 16

約数和(自身を含む): 28955136

約数和(自身を除く): 9211893

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10771, 32313, 140023, 420069, 506237, 1518711, 6581081, 19743243]

約数ペア:

[(1, 19743243), (3, 6581081), (13, 1518711), (39, 506237), (47, 420069), (141, 140023), (611, 32313), (1833, 10771)]