18454989

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2039}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 9745971

約数列:

[1, 3, 7, 21, 431, 1293, 2039, 3017, 6117, 9051, 14273, 42819, 878809, 2636427, 6151663, 18454989]

約数ペア:

[(1, 18454989), (3, 6151663), (7, 2636427), (21, 878809), (431, 42819), (1293, 14273), (2039, 9051), (3017, 6117)]