19943316

素因数分解:

$2^2\times 3^2\times {\mathrm{553981}}^1$

素因数の和:553991

約数の個数: 18

約数和(自身を含む): 50412362

約数和(自身を除く): 30469046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553981, 1107962, 1661943, 2215924, 3323886, 4985829, 6647772, 9971658, 19943316]

約数ペア:

[(1, 19943316), (2, 9971658), (3, 6647772), (4, 4985829), (6, 3323886), (9, 2215924), (12, 1661943), (18, 1107962), (36, 553981)]