19459980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36037}}^1$

素因数の和:36055

約数の個数: 48

約数和(自身を含む): 60543840

約数和(自身を除く): 41083860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36037, 72074, 108111, 144148, 180185, 216222, 324333, 360370, 432444, 540555, 648666, 720740, 972999, 1081110, 1297332, 1621665, 1945998, 2162220, 3243330, 3891996, 4864995, 6486660, 9729990, 19459980]

約数ペア:

[(1, 19459980), (2, 9729990), (3, 6486660), (4, 4864995), (5, 3891996), (6, 3243330), (9, 2162220), (10, 1945998), (12, 1621665), (15, 1297332), (18, 1081110), (20, 972999), (27, 720740), (30, 648666), (36, 540555), (45, 432444), (54, 360370), (60, 324333), (90, 216222), (108, 180185), (135, 144148), (180, 108111), (270, 72074), (540, 36037)]