18910479

素因数分解:

$3^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1171}}^1$

素因数の和:1950

約数の個数: 16

約数和(自身を含む): 28878080

約数和(自身を除く): 9967601

約数列:

[1, 3, 7, 21, 769, 1171, 2307, 3513, 5383, 8197, 16149, 24591, 900499, 2701497, 6303493, 18910479]

約数ペア:

[(1, 18910479), (3, 6303493), (7, 2701497), (21, 900499), (769, 24591), (1171, 16149), (2307, 8197), (3513, 5383)]