19059800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 44669760

約数和(自身を除く): 25609960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 607, 628, 785, 1214, 1256, 1570, 2428, 3035, 3140, 3925, 4856, 6070, 6280, 7850, 12140, 15175, 15700, 24280, 30350, 31400, 60700, 95299, 121400, 190598, 381196, 476495, 762392, 952990, 1905980, 2382475, 3811960, 4764950, 9529900, 19059800]

約数ペア:

[(1, 19059800), (2, 9529900), (4, 4764950), (5, 3811960), (8, 2382475), (10, 1905980), (20, 952990), (25, 762392), (40, 476495), (50, 381196), (100, 190598), (157, 121400), (200, 95299), (314, 60700), (607, 31400), (628, 30350), (785, 24280), (1214, 15700), (1256, 15175), (1570, 12140), (2428, 7850), (3035, 6280), (3140, 6070), (3925, 4856)]