19513856

素因数分解:

$2^9\times {\mathrm{38113}}^1$

素因数の和:38131

約数の個数: 20

約数和(自身を含む): 38990622

約数和(自身を除く): 19476766

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38113, 76226, 152452, 304904, 609808, 1219616, 2439232, 4878464, 9756928, 19513856]

約数ペア:

[(1, 19513856), (2, 9756928), (4, 4878464), (8, 2439232), (16, 1219616), (32, 609808), (64, 304904), (128, 152452), (256, 76226), (512, 38113)]