18157853

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2879}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 22394880

約数和(自身を除く): 4237027

約数列:

[1, 7, 17, 53, 119, 371, 901, 2879, 6307, 20153, 48943, 152587, 342601, 1068109, 2593979, 18157853]

約数ペア:

[(1, 18157853), (7, 2593979), (17, 1068109), (53, 342601), (119, 152587), (371, 48943), (901, 20153), (2879, 6307)]