19845889

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 23875200

約数和(自身を除く): 4029311

約数列:

[1, 7, 29, 59, 203, 413, 1657, 1711, 11599, 11977, 48053, 97763, 336371, 684341, 2835127, 19845889]

約数ペア:

[(1, 19845889), (7, 2835127), (29, 684341), (59, 336371), (203, 97763), (413, 48053), (1657, 11977), (1711, 11599)]