9878924

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{20411}}^1$

素因数の和:20437

約数の個数: 18

約数和(自身を含む): 19003572

約数和(自身を除く): 9124648

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 20411, 40822, 81644, 224521, 449042, 898084, 2469731, 4939462, 9878924]

約数ペア:

[(1, 9878924), (2, 4939462), (4, 2469731), (11, 898084), (22, 449042), (44, 224521), (121, 81644), (242, 40822), (484, 20411)]