19785493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5364

約数の個数: 16

約数和(自身を含む): 24950016

約数和(自身を除く): 5164523

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5303, 37121, 68939, 217423, 482573, 1521961, 2826499, 19785493]

約数ペア:

[(1, 19785493), (7, 2826499), (13, 1521961), (41, 482573), (91, 217423), (287, 68939), (533, 37121), (3731, 5303)]