19709696

素因数分解:

$2^8\times {\mathrm{76991}}^1$

素因数の和:77007

約数の個数: 18

約数和(自身を含む): 39342912

約数和(自身を除く): 19633216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 76991, 153982, 307964, 615928, 1231856, 2463712, 4927424, 9854848, 19709696]

約数ペア:

[(1, 19709696), (2, 9854848), (4, 4927424), (8, 2463712), (16, 1231856), (32, 615928), (64, 307964), (128, 153982), (256, 76991)]