19663077

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1907}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 30039552

約数和(自身を除く): 10376475

約数列:

[1, 3, 7, 21, 491, 1473, 1907, 3437, 5721, 10311, 13349, 40047, 936337, 2809011, 6554359, 19663077]

約数ペア:

[(1, 19663077), (3, 6554359), (7, 2809011), (21, 936337), (491, 40047), (1473, 13349), (1907, 10311), (3437, 5721)]