2687284

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1861}}^1$

素因数の和:1903

約数の個数: 18

約数和(自身を含む): 4965954

約数和(自身を除く): 2278670

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1861, 3722, 7444, 35359, 70718, 141436, 671821, 1343642, 2687284]

約数ペア:

[(1, 2687284), (2, 1343642), (4, 671821), (19, 141436), (38, 70718), (76, 35359), (361, 7444), (722, 3722), (1444, 1861)]