19980222

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{90001}}^1$

素因数の和:90043

約数の個数: 16

約数和(自身を含む): 41040912

約数和(自身を除く): 21060690

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 90001, 180002, 270003, 540006, 3330037, 6660074, 9990111, 19980222]

約数ペア:

[(1, 19980222), (2, 9990111), (3, 6660074), (6, 3330037), (37, 540006), (74, 270003), (111, 180002), (222, 90001)]