18206530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25643}}^1$

素因数の和:25721

約数の個数: 16

約数和(自身を含む): 33234624

約数和(自身を除く): 15028094

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25643, 51286, 128215, 256430, 1820653, 3641306, 9103265, 18206530]

約数ペア:

[(1, 18206530), (2, 9103265), (5, 3641306), (10, 1820653), (71, 256430), (142, 128215), (355, 51286), (710, 25643)]