18617786

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:850

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 12408454

約数列:

[1, 2, 11, 22, 107, 121, 214, 242, 719, 1177, 1438, 2354, 7909, 12947, 15818, 25894, 76933, 86999, 153866, 173998, 846263, 1692526, 9308893, 18617786]

約数ペア:

[(1, 18617786), (2, 9308893), (11, 1692526), (22, 846263), (107, 173998), (121, 153866), (214, 86999), (242, 76933), (719, 25894), (1177, 15818), (1438, 12947), (2354, 7909)]