19147821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82891}}^1$

素因数の和:82912

約数の個数: 16

約数和(自身を含む): 31830528

約数和(自身を除く): 12682707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82891, 248673, 580237, 911801, 1740711, 2735403, 6382607, 19147821]

約数ペア:

[(1, 19147821), (3, 6382607), (7, 2735403), (11, 1740711), (21, 911801), (33, 580237), (77, 248673), (231, 82891)]