19563870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1549}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 47095200

約数和(自身を除く): 27531330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1549, 2105, 2526, 3098, 4210, 4647, 6315, 7745, 9294, 12630, 15490, 23235, 46470, 652129, 1304258, 1956387, 3260645, 3912774, 6521290, 9781935, 19563870]

約数ペア:

[(1, 19563870), (2, 9781935), (3, 6521290), (5, 3912774), (6, 3260645), (10, 1956387), (15, 1304258), (30, 652129), (421, 46470), (842, 23235), (1263, 15490), (1549, 12630), (2105, 9294), (2526, 7745), (3098, 6315), (4210, 4647)]