19530489

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 9350727

約数列:

[1, 3, 11, 33, 121, 173, 311, 363, 519, 933, 1903, 3421, 5709, 10263, 20933, 37631, 53803, 62799, 112893, 161409, 591833, 1775499, 6510163, 19530489]

約数ペア:

[(1, 19530489), (3, 6510163), (11, 1775499), (33, 591833), (121, 161409), (173, 112893), (311, 62799), (363, 53803), (519, 37631), (933, 20933), (1903, 10263), (3421, 5709)]