18897989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4759}}^1$

素因数の和:4808

約数の個数: 12

約数和(自身を含む): 21762720

約数和(自身を除く): 2864731

約数列:

[1, 11, 19, 209, 361, 3971, 4759, 52349, 90421, 994631, 1717999, 18897989]

約数ペア:

[(1, 18897989), (11, 1717999), (19, 994631), (209, 90421), (361, 52349), (3971, 4759)]