19907109

素因数分解:

$3^2\times {\mathrm{419}}^1\times {\mathrm{5279}}^1$

素因数の和:5704

約数の個数: 12

約数和(自身を含む): 28828800

約数和(自身を除く): 8921691

約数列:

[1, 3, 9, 419, 1257, 3771, 5279, 15837, 47511, 2211901, 6635703, 19907109]

約数ペア:

[(1, 19907109), (3, 6635703), (9, 2211901), (419, 47511), (1257, 15837), (3771, 5279)]