19486000

素因数分解:

$2^4\times 5^3\times {\mathrm{9743}}^1$

素因数の和:9766

約数の個数: 40

約数和(自身を含む): 47121984

約数和(自身を除く): 27635984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9743, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 243575, 389720, 487150, 779440, 974300, 1217875, 1948600, 2435750, 3897200, 4871500, 9743000, 19486000]

約数ペア:

[(1, 19486000), (2, 9743000), (4, 4871500), (5, 3897200), (8, 2435750), (10, 1948600), (16, 1217875), (20, 974300), (25, 779440), (40, 487150), (50, 389720), (80, 243575), (100, 194860), (125, 155888), (200, 97430), (250, 77944), (400, 48715), (500, 38972), (1000, 19486), (2000, 9743)]