19980346321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1\times {\mathrm{10529}}^1$

素因数の和:12996

約数の個数: 16

約数和(自身を含む): 21881255760

約数和(自身を除く): 1900909439

約数列:

[1, 13, 61, 793, 2393, 10529, 31109, 136877, 145973, 642269, 1897649, 8349497, 25195897, 327546661, 1536949717, 19980346321]

約数ペア:

[(1, 19980346321), (13, 1536949717), (61, 327546661), (793, 25195897), (2393, 8349497), (10529, 1897649), (31109, 642269), (136877, 145973)]