18459231

素因数分解:

$3^1\times 7^3\times {\mathrm{17939}}^1$

素因数の和:17963

約数の個数: 16

約数和(自身を含む): 28704000

約数和(自身を除く): 10244769

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 17939, 53817, 125573, 376719, 879011, 2637033, 6153077, 18459231]

約数ペア:

[(1, 18459231), (3, 6153077), (7, 2637033), (21, 879011), (49, 376719), (147, 125573), (343, 53817), (1029, 17939)]