19225089

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4441}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 30720872

約数和(自身を除く): 11495783

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4441, 13323, 39969, 57733, 164317, 173199, 492951, 519597, 1478853, 2136121, 6408363, 19225089]

約数ペア:

[(1, 19225089), (3, 6408363), (9, 2136121), (13, 1478853), (37, 519597), (39, 492951), (111, 173199), (117, 164317), (333, 57733), (481, 39969), (1443, 13323), (4329, 4441)]