19831987

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 23772672

約数和(自身を除く): 3940685

約数列:

[1, 7, 41, 43, 287, 301, 1607, 1763, 11249, 12341, 65887, 69101, 461209, 483707, 2833141, 19831987]

約数ペア:

[(1, 19831987), (7, 2833141), (41, 483707), (43, 461209), (287, 69101), (301, 65887), (1607, 12341), (1763, 11249)]