18655497

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10211}}^1$

素因数の和:10253

約数の個数: 24

約数和(自身を含む): 31861440

約数和(自身を除く): 13205943

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10211, 30633, 71477, 91899, 214431, 296119, 643293, 888357, 2072833, 2665071, 6218499, 18655497]

約数ペア:

[(1, 18655497), (3, 6218499), (7, 2665071), (9, 2072833), (21, 888357), (29, 643293), (63, 296119), (87, 214431), (203, 91899), (261, 71477), (609, 30633), (1827, 10211)]