19381852

素因数分解:

$2^2\times 7^2\times {\mathrm{98887}}^1$

素因数の和:98905

約数の個数: 18

約数和(自身を含む): 39456312

約数和(自身を除く): 20074460

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 98887, 197774, 395548, 692209, 1384418, 2768836, 4845463, 9690926, 19381852]

約数ペア:

[(1, 19381852), (2, 9690926), (4, 4845463), (7, 2768836), (14, 1384418), (28, 692209), (49, 395548), (98, 197774), (196, 98887)]