19253943

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:988

約数の個数: 20

約数和(自身を含む): 28880280

約数和(自身を除く): 9626337

約数列:

[1, 3, 9, 27, 81, 467, 509, 1401, 1527, 4203, 4581, 12609, 13743, 37827, 41229, 237703, 713109, 2139327, 6417981, 19253943]

約数ペア:

[(1, 19253943), (3, 6417981), (9, 2139327), (27, 713109), (81, 237703), (467, 41229), (509, 37827), (1401, 13743), (1527, 12609), (4203, 4581)]