17918341

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 21454848

約数和(自身を除く): 3536507

約数列:

[1, 7, 31, 71, 217, 497, 1163, 2201, 8141, 15407, 36053, 82573, 252371, 578011, 2559763, 17918341]

約数ペア:

[(1, 17918341), (7, 2559763), (31, 578011), (71, 252371), (217, 82573), (497, 36053), (1163, 15407), (2201, 8141)]