18042591

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12101}}^1$

素因数の和:12182

約数の個数: 16

約数和(自身を含む): 27883008

約数和(自身を除く): 9840417

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12101, 36303, 84707, 254121, 859171, 2577513, 6014197, 18042591]

約数ペア:

[(1, 18042591), (3, 6014197), (7, 2577513), (21, 859171), (71, 254121), (213, 84707), (497, 36303), (1491, 12101)]