18968085

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3319}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 33146880

約数和(自身を除く): 14178795

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3319, 5715, 9957, 16595, 29871, 49785, 149355, 421513, 1264539, 2107565, 3793617, 6322695, 18968085]

約数ペア:

[(1, 18968085), (3, 6322695), (5, 3793617), (9, 2107565), (15, 1264539), (45, 421513), (127, 149355), (381, 49785), (635, 29871), (1143, 16595), (1905, 9957), (3319, 5715)]