19005707980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7145003}}^1$

素因数の和:7145038

約数の個数: 48

約数和(自身を含む): 48014426880

約数和(自身を除く): 29008718900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7145003, 14290006, 28580012, 35725015, 50015021, 71450030, 100030042, 135755057, 142900060, 200060084, 250075105, 271510114, 500150210, 543020228, 678775285, 950285399, 1000300420, 1357550570, 1900570798, 2715101140, 3801141596, 4751426995, 9502853990, 19005707980]

約数ペア:

[(1, 19005707980), (2, 9502853990), (4, 4751426995), (5, 3801141596), (7, 2715101140), (10, 1900570798), (14, 1357550570), (19, 1000300420), (20, 950285399), (28, 678775285), (35, 543020228), (38, 500150210), (70, 271510114), (76, 250075105), (95, 200060084), (133, 142900060), (140, 135755057), (190, 100030042), (266, 71450030), (380, 50015021), (532, 35725015), (665, 28580012), (1330, 14290006), (2660, 7145003)]