19331540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3761}}^1$

素因数の和:4027

約数の個数: 24

約数和(自身を含む): 40765032

約数和(自身を除く): 21433492

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3761, 5140, 7522, 15044, 18805, 37610, 75220, 966577, 1933154, 3866308, 4832885, 9665770, 19331540]

約数ペア:

[(1, 19331540), (2, 9665770), (4, 4832885), (5, 3866308), (10, 1933154), (20, 966577), (257, 75220), (514, 37610), (1028, 18805), (1285, 15044), (2570, 7522), (3761, 5140)]