18845960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67307}}^1$

素因数の和:67325

約数の個数: 32

約数和(自身を含む): 48461760

約数和(自身を除く): 29615800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67307, 134614, 269228, 336535, 471149, 538456, 673070, 942298, 1346140, 1884596, 2355745, 2692280, 3769192, 4711490, 9422980, 18845960]

約数ペア:

[(1, 18845960), (2, 9422980), (4, 4711490), (5, 3769192), (7, 2692280), (8, 2355745), (10, 1884596), (14, 1346140), (20, 942298), (28, 673070), (35, 538456), (40, 471149), (56, 336535), (70, 269228), (140, 134614), (280, 67307)]