16848820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 20850380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 439, 505, 878, 1010, 1756, 1919, 2020, 2195, 3838, 4390, 7676, 8341, 8780, 9595, 16682, 19190, 33364, 38380, 41705, 44339, 83410, 88678, 166820, 177356, 221695, 443390, 842441, 886780, 1684882, 3369764, 4212205, 8424410, 16848820]

約数ペア:

[(1, 16848820), (2, 8424410), (4, 4212205), (5, 3369764), (10, 1684882), (19, 886780), (20, 842441), (38, 443390), (76, 221695), (95, 177356), (101, 166820), (190, 88678), (202, 83410), (380, 44339), (404, 41705), (439, 38380), (505, 33364), (878, 19190), (1010, 16682), (1756, 9595), (1919, 8780), (2020, 8341), (2195, 7676), (3838, 4390)]