18984185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1907}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 6018247

約数列:

[1, 5, 11, 55, 181, 905, 1907, 1991, 9535, 9955, 20977, 104885, 345167, 1725835, 3796837, 18984185]

約数ペア:

[(1, 18984185), (5, 3796837), (11, 1725835), (55, 345167), (181, 104885), (905, 20977), (1907, 9955), (1991, 9535)]