19902633

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9437}}^1$

素因数の和:9496

約数の個数: 16

約数和(自身を含む): 28691520

約数和(自身を除く): 8788887

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9437, 28311, 179303, 349169, 537909, 1047507, 6634211, 19902633]

約数ペア:

[(1, 19902633), (3, 6634211), (19, 1047507), (37, 537909), (57, 349169), (111, 179303), (703, 28311), (2109, 9437)]