9818908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{20287}}^1$

素因数の和:20313

約数の個数: 18

約数和(自身を含む): 18888128

約数和(自身を除く): 9069220

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 20287, 40574, 81148, 223157, 446314, 892628, 2454727, 4909454, 9818908]

約数ペア:

[(1, 9818908), (2, 4909454), (4, 2454727), (11, 892628), (22, 446314), (44, 223157), (121, 81148), (242, 40574), (484, 20287)]