19440594

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 43346880

約数和(自身を除く): 23906286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 691, 1042, 1382, 1563, 2073, 3126, 4146, 4689, 6219, 9378, 12438, 14067, 18657, 28134, 37314, 360011, 720022, 1080033, 2160066, 3240099, 6480198, 9720297, 19440594]

約数ペア:

[(1, 19440594), (2, 9720297), (3, 6480198), (6, 3240099), (9, 2160066), (18, 1080033), (27, 720022), (54, 360011), (521, 37314), (691, 28134), (1042, 18657), (1382, 14067), (1563, 12438), (2073, 9378), (3126, 6219), (4146, 4689)]