18870464

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{6857}}^1$

素因数の和:6912

約数の個数: 28

約数和(自身を含む): 38322504

約数和(自身を除く): 19452040

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 6857, 13714, 27428, 54856, 109712, 219424, 294851, 438848, 589702, 1179404, 2358808, 4717616, 9435232, 18870464]

約数ペア:

[(1, 18870464), (2, 9435232), (4, 4717616), (8, 2358808), (16, 1179404), (32, 589702), (43, 438848), (64, 294851), (86, 219424), (172, 109712), (344, 54856), (688, 27428), (1376, 13714), (2752, 6857)]