19853488

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2801}}^1$

素因数の和:3252

約数の個数: 20

約数和(自身を含む): 38566728

約数和(自身を除く): 18713240

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2801, 3544, 5602, 7088, 11204, 22408, 44816, 1240843, 2481686, 4963372, 9926744, 19853488]

約数ペア:

[(1, 19853488), (2, 9926744), (4, 4963372), (8, 2481686), (16, 1240843), (443, 44816), (886, 22408), (1772, 11204), (2801, 7088), (3544, 5602)]