19458494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80407}}^1$

素因数の和:80431

約数の個数: 12

約数和(自身を含む): 32082792

約数和(自身を除く): 12624298

約数列:

[1, 2, 11, 22, 121, 242, 80407, 160814, 884477, 1768954, 9729247, 19458494]

約数ペア:

[(1, 19458494), (2, 9729247), (11, 1768954), (22, 884477), (121, 160814), (242, 80407)]