18171181

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4127}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 22588416

約数和(自身を除く): 4417235

約数列:

[1, 7, 17, 37, 119, 259, 629, 4127, 4403, 28889, 70159, 152699, 491113, 1068893, 2595883, 18171181]

約数ペア:

[(1, 18171181), (7, 2595883), (17, 1068893), (37, 491113), (119, 152699), (259, 70159), (629, 28889), (4127, 4403)]