19869399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 11580201

約数列:

[1, 3, 9, 11, 33, 99, 419, 479, 1257, 1437, 3771, 4311, 4609, 5269, 13827, 15807, 41481, 47421, 200701, 602103, 1806309, 2207711, 6623133, 19869399]

約数ペア:

[(1, 19869399), (3, 6623133), (9, 2207711), (11, 1806309), (33, 602103), (99, 200701), (419, 47421), (479, 41481), (1257, 15807), (1437, 13827), (3771, 5269), (4311, 4609)]