219954526

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47837}}^1$

素因数の和:47880

約数の個数: 24

約数和(自身を含む): 381747240

約数和(自身を除く): 161792714

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 47837, 95674, 526207, 908903, 1052414, 1817806, 5788277, 9997933, 11576554, 19995866, 109977263, 219954526]

約数ペア:

[(1, 219954526), (2, 109977263), (11, 19995866), (19, 11576554), (22, 9997933), (38, 5788277), (121, 1817806), (209, 1052414), (242, 908903), (418, 526207), (2299, 95674), (4598, 47837)]