18949768

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5347}}^1$

素因数の和:5796

約数の個数: 16

約数和(自身を含む): 35617680

約数和(自身を除く): 16667912

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5347, 10694, 21388, 42776, 2368721, 4737442, 9474884, 18949768]

約数ペア:

[(1, 18949768), (2, 9474884), (4, 4737442), (8, 2368721), (443, 42776), (886, 21388), (1772, 10694), (3544, 5347)]