18054985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3121}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 23602320

約数和(自身を除く): 5547335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3121, 5785, 15605, 40573, 202865, 277769, 1388845, 3610997, 18054985]

約数ペア:

[(1, 18054985), (5, 3610997), (13, 1388845), (65, 277769), (89, 202865), (445, 40573), (1157, 15605), (3121, 5785)]