19870016

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4253}}^1$

素因数の和:4338

約数の個数: 28

約数和(自身を含む): 39979092

約数和(自身を除く): 20109076

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4253, 4672, 8506, 17012, 34024, 68048, 136096, 272192, 310469, 620938, 1241876, 2483752, 4967504, 9935008, 19870016]

約数ペア:

[(1, 19870016), (2, 9935008), (4, 4967504), (8, 2483752), (16, 1241876), (32, 620938), (64, 310469), (73, 272192), (146, 136096), (292, 68048), (584, 34024), (1168, 17012), (2336, 8506), (4253, 4672)]