219921922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{27691}}^1$

素因数の和:27742

約数の個数: 24

約数和(自身を含む): 379823472

約数和(自身を除く): 159901550

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 27691, 55382, 304601, 526129, 609202, 1052258, 5787419, 9996451, 11574838, 19992902, 109960961, 219921922]

約数ペア:

[(1, 219921922), (2, 109960961), (11, 19992902), (19, 11574838), (22, 9996451), (38, 5787419), (209, 1052258), (361, 609202), (418, 526129), (722, 304601), (3971, 55382), (7942, 27691)]