18889137

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 28554240

約数和(自身を除く): 9665103

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 857, 2449, 2571, 7347, 7713, 22041, 26567, 67703, 79701, 203109, 239103, 609327, 2098793, 6296379, 18889137]

約数ペア:

[(1, 18889137), (3, 6296379), (9, 2098793), (31, 609327), (79, 239103), (93, 203109), (237, 79701), (279, 67703), (711, 26567), (857, 22041), (2449, 7713), (2571, 7347)]