18520816

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1091}}^1$

素因数の和:2160

約数の個数: 20

約数和(自身を含む): 35950824

約数和(自身を除く): 17430008

約数列:

[1, 2, 4, 8, 16, 1061, 1091, 2122, 2182, 4244, 4364, 8488, 8728, 16976, 17456, 1157551, 2315102, 4630204, 9260408, 18520816]

約数ペア:

[(1, 18520816), (2, 9260408), (4, 4630204), (8, 2315102), (16, 1157551), (1061, 17456), (1091, 16976), (2122, 8728), (2182, 8488), (4244, 4364)]