1993221868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4118227}}^1$

素因数の和:4118253

約数の個数: 18

約数和(自身を含む): 3834070268

約数和(自身を除く): 1840848400

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4118227, 8236454, 16472908, 45300497, 90600994, 181201988, 498305467, 996610934, 1993221868]

約数ペア:

[(1, 1993221868), (2, 996610934), (4, 498305467), (11, 181201988), (22, 90600994), (44, 45300497), (121, 16472908), (242, 8236454), (484, 4118227)]