19725180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328753}}^1$

素因数の和:328765

約数の個数: 24

約数和(自身を含む): 55230672

約数和(自身を除く): 35505492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328753, 657506, 986259, 1315012, 1643765, 1972518, 3287530, 3945036, 4931295, 6575060, 9862590, 19725180]

約数ペア:

[(1, 19725180), (2, 9862590), (3, 6575060), (4, 4931295), (5, 3945036), (6, 3287530), (10, 1972518), (12, 1643765), (15, 1315012), (20, 986259), (30, 657506), (60, 328753)]