19990836

素因数分解:

$2^2\times 3^2\times {\mathrm{555301}}^1$

素因数の和:555311

約数の個数: 18

約数和(自身を含む): 50532482

約数和(自身を除く): 30541646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555301, 1110602, 1665903, 2221204, 3331806, 4997709, 6663612, 9995418, 19990836]

約数ペア:

[(1, 19990836), (2, 9995418), (3, 6663612), (4, 4997709), (6, 3331806), (9, 2221204), (12, 1665903), (18, 1110602), (36, 555301)]