1989471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 3072384

約数和(自身を除く): 1082913

約数列:

[1, 3, 11, 19, 33, 57, 167, 209, 361, 501, 627, 1083, 1837, 3173, 3971, 5511, 9519, 11913, 34903, 60287, 104709, 180861, 663157, 1989471]

約数ペア:

[(1, 1989471), (3, 663157), (11, 180861), (19, 104709), (33, 60287), (57, 34903), (167, 11913), (209, 9519), (361, 5511), (501, 3971), (627, 3173), (1083, 1837)]