1991231454

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19521877}}^1$

素因数の和:19521899

約数の個数: 16

約数和(自身を含む): 4216725648

約数和(自身を除く): 2225494194

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 19521877, 39043754, 58565631, 117131262, 331871909, 663743818, 995615727, 1991231454]

約数ペア:

[(1, 1991231454), (2, 995615727), (3, 663743818), (6, 331871909), (17, 117131262), (34, 58565631), (51, 39043754), (102, 19521877)]