18564065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 24267600

約数和(自身を除く): 5703535

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3209, 5785, 16045, 41717, 208585, 285601, 1428005, 3712813, 18564065]

約数ペア:

[(1, 18564065), (5, 3712813), (13, 1428005), (65, 285601), (89, 208585), (445, 41717), (1157, 16045), (3209, 5785)]