19861492

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3919}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 39952640

約数和(自身を除く): 20091148

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 3919, 5068, 7838, 15676, 27433, 54866, 109732, 709339, 1418678, 2837356, 4965373, 9930746, 19861492]

約数ペア:

[(1, 19861492), (2, 9930746), (4, 4965373), (7, 2837356), (14, 1418678), (28, 709339), (181, 109732), (362, 54866), (724, 27433), (1267, 15676), (2534, 7838), (3919, 5068)]