19191447

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17623}}^1$

素因数の和:17651

約数の個数: 18

約数和(自身を含む): 30471896

約数和(自身を除く): 11280449

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17623, 52869, 158607, 193853, 581559, 1744677, 2132383, 6397149, 19191447]

約数ペア:

[(1, 19191447), (3, 6397149), (9, 2132383), (11, 1744677), (33, 581559), (99, 193853), (121, 158607), (363, 52869), (1089, 17623)]