19554205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{32321}}^1$

素因数の和:32348

約数の個数: 12

約数和(自身を含む): 25792956

約数和(自身を除く): 6238751

約数列:

[1, 5, 11, 55, 121, 605, 32321, 161605, 355531, 1777655, 3910841, 19554205]

約数ペア:

[(1, 19554205), (5, 3910841), (11, 1777655), (55, 355531), (121, 161605), (605, 32321)]