15821140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16831}}^1$

素因数の和:16887

約数の個数: 24

約数和(自身を含む): 33933312

約数和(自身を除く): 18112172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16831, 33662, 67324, 84155, 168310, 336620, 791057, 1582114, 3164228, 3955285, 7910570, 15821140]

約数ペア:

[(1, 15821140), (2, 7910570), (4, 3955285), (5, 3164228), (10, 1582114), (20, 791057), (47, 336620), (94, 168310), (188, 84155), (235, 67324), (470, 33662), (940, 16831)]