19862913

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1471}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 30334976

約数和(自身を除く): 10472063

約数列:

[1, 3, 7, 21, 643, 1471, 1929, 4413, 4501, 10297, 13503, 30891, 945853, 2837559, 6620971, 19862913]

約数ペア:

[(1, 19862913), (3, 6620971), (7, 2837559), (21, 945853), (643, 30891), (1471, 13503), (1929, 10297), (4413, 4501)]