9920185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 13789440

約数和(自身を除く): 3869255

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 863, 1045, 2299, 4315, 9493, 11495, 16397, 47465, 81985, 104423, 180367, 522115, 901835, 1984037, 9920185]

約数ペア:

[(1, 9920185), (5, 1984037), (11, 901835), (19, 522115), (55, 180367), (95, 104423), (121, 81985), (209, 47465), (605, 16397), (863, 11495), (1045, 9493), (2299, 4315)]