18165441

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1553}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 27748224

約数和(自身を除く): 9582783

約数列:

[1, 3, 7, 21, 557, 1553, 1671, 3899, 4659, 10871, 11697, 32613, 865021, 2595063, 6055147, 18165441]

約数ペア:

[(1, 18165441), (3, 6055147), (7, 2595063), (21, 865021), (557, 32613), (1553, 11697), (1671, 10871), (3899, 4659)]