19946360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71237}}^1$

素因数の和:71255

約数の個数: 32

約数和(自身を含む): 51291360

約数和(自身を除く): 31345000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71237, 142474, 284948, 356185, 498659, 569896, 712370, 997318, 1424740, 1994636, 2493295, 2849480, 3989272, 4986590, 9973180, 19946360]

約数ペア:

[(1, 19946360), (2, 9973180), (4, 4986590), (5, 3989272), (7, 2849480), (8, 2493295), (10, 1994636), (14, 1424740), (20, 997318), (28, 712370), (35, 569896), (40, 498659), (56, 356185), (70, 284948), (140, 142474), (280, 71237)]