18924455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1901}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 24923808

約数和(自身を除く): 5999353

約数列:

[1, 5, 11, 55, 181, 905, 1901, 1991, 9505, 9955, 20911, 104555, 344081, 1720405, 3784891, 18924455]

約数ペア:

[(1, 18924455), (5, 3784891), (11, 1720405), (55, 344081), (181, 104555), (905, 20911), (1901, 9955), (1991, 9505)]