19294820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5051}}^1$

素因数の和:5251

約数の個数: 24

約数和(自身を含む): 40739328

約数和(自身を除く): 21444508

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5051, 10102, 20204, 25255, 50510, 101020, 964741, 1929482, 3858964, 4823705, 9647410, 19294820]

約数ペア:

[(1, 19294820), (2, 9647410), (4, 4823705), (5, 3858964), (10, 1929482), (20, 964741), (191, 101020), (382, 50510), (764, 25255), (955, 20204), (1910, 10102), (3820, 5051)]