19721073

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 27316800

約数和(自身を除く): 7595727

約数列:

[1, 3, 29, 87, 419, 541, 1257, 1623, 12151, 15689, 36453, 47067, 226679, 680037, 6573691, 19721073]

約数ペア:

[(1, 19721073), (3, 6573691), (29, 680037), (87, 226679), (419, 47067), (541, 36453), (1257, 15689), (1623, 12151)]