18898940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3019}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 39827760

約数和(自身を除く): 20928820

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3019, 3130, 6038, 6260, 12076, 15095, 30190, 60380, 944947, 1889894, 3779788, 4724735, 9449470, 18898940]

約数ペア:

[(1, 18898940), (2, 9449470), (4, 4724735), (5, 3779788), (10, 1889894), (20, 944947), (313, 60380), (626, 30190), (1252, 15095), (1565, 12076), (3019, 6260), (3130, 6038)]