17986947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{11597}}^1$

素因数の和:11658

約数の個数: 16

約数和(自身を含む): 26721792

約数和(自身を除く): 8734845

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 11597, 34791, 127567, 382701, 545059, 1635177, 5995649, 17986947]

約数ペア:

[(1, 17986947), (3, 5995649), (11, 1635177), (33, 545059), (47, 382701), (141, 127567), (517, 34791), (1551, 11597)]