19903896

素因数分解:

$2^3\times 3^2\times {\mathrm{276443}}^1$

素因数の和:276455

約数の個数: 24

約数和(自身を含む): 53906580

約数和(自身を除く): 34002684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276443, 552886, 829329, 1105772, 1658658, 2211544, 2487987, 3317316, 4975974, 6634632, 9951948, 19903896]

約数ペア:

[(1, 19903896), (2, 9951948), (3, 6634632), (4, 4975974), (6, 3317316), (8, 2487987), (9, 2211544), (12, 1658658), (18, 1105772), (24, 829329), (36, 552886), (72, 276443)]