219868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 443520

約数和(自身を除く): 223652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 263, 418, 526, 836, 1052, 2893, 4997, 5786, 9994, 11572, 19988, 54967, 109934, 219868]

約数ペア:

[(1, 219868), (2, 109934), (4, 54967), (11, 19988), (19, 11572), (22, 9994), (38, 5786), (44, 4997), (76, 2893), (209, 1052), (263, 836), (418, 526)]