18075940

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1223}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 38041920

約数和(自身を除く): 19965980

約数列:

[1, 2, 4, 5, 10, 20, 739, 1223, 1478, 2446, 2956, 3695, 4892, 6115, 7390, 12230, 14780, 24460, 903797, 1807594, 3615188, 4518985, 9037970, 18075940]

約数ペア:

[(1, 18075940), (2, 9037970), (4, 4518985), (5, 3615188), (10, 1807594), (20, 903797), (739, 24460), (1223, 14780), (1478, 12230), (2446, 7390), (2956, 6115), (3695, 4892)]