19869087

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1657}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 30348032

約数和(自身を除く): 10478945

約数列:

[1, 3, 7, 21, 571, 1657, 1713, 3997, 4971, 11599, 11991, 34797, 946147, 2838441, 6623029, 19869087]

約数ペア:

[(1, 19869087), (3, 6623029), (7, 2838441), (21, 946147), (571, 34797), (1657, 11991), (1713, 11599), (3997, 4971)]