18991088

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4051}}^1$

素因数の和:4352

約数の個数: 20

約数和(自身を含む): 36929928

約数和(自身を除く): 17938840

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4051, 4688, 8102, 16204, 32408, 64816, 1186943, 2373886, 4747772, 9495544, 18991088]

約数ペア:

[(1, 18991088), (2, 9495544), (4, 4747772), (8, 2373886), (16, 1186943), (293, 64816), (586, 32408), (1172, 16204), (2344, 8102), (4051, 4688)]