18889130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11177}}^1$

素因数の和:11210

約数の個数: 24

約数和(自身を含む): 36820332

約数和(自身を除く): 17931202

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11177, 22354, 55885, 111770, 145301, 290602, 726505, 1453010, 1888913, 3777826, 9444565, 18889130]

約数ペア:

[(1, 18889130), (2, 9444565), (5, 3777826), (10, 1888913), (13, 1453010), (26, 726505), (65, 290602), (130, 145301), (169, 111770), (338, 55885), (845, 22354), (1690, 11177)]