18981051

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2039}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 7457349

約数列:

[1, 3, 29, 87, 107, 321, 2039, 3103, 6117, 9309, 59131, 177393, 218173, 654519, 6327017, 18981051]

約数ペア:

[(1, 18981051), (3, 6327017), (29, 654519), (87, 218173), (107, 177393), (321, 59131), (2039, 9309), (3103, 6117)]