18880887

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 6969993

約数列:

[1, 3, 47, 141, 359, 373, 1077, 1119, 16873, 17531, 50619, 52593, 133907, 401721, 6293629, 18880887]

約数ペア:

[(1, 18880887), (3, 6293629), (47, 401721), (141, 133907), (359, 52593), (373, 50619), (1077, 17531), (1119, 16873)]