19377980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4231}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 40881120

約数和(自身を除く): 21503140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4231, 4580, 8462, 16924, 21155, 42310, 84620, 968899, 1937798, 3875596, 4844495, 9688990, 19377980]

約数ペア:

[(1, 19377980), (2, 9688990), (4, 4844495), (5, 3875596), (10, 1937798), (20, 968899), (229, 84620), (458, 42310), (916, 21155), (1145, 16924), (2290, 8462), (4231, 4580)]