19518872

素因数分解:

$2^3\times {\mathrm{349}}^1\times {\mathrm{6991}}^1$

素因数の和:7346

約数の個数: 16

約数和(自身を含む): 36708000

約数和(自身を除く): 17189128

約数列:

[1, 2, 4, 8, 349, 698, 1396, 2792, 6991, 13982, 27964, 55928, 2439859, 4879718, 9759436, 19518872]

約数ペア:

[(1, 19518872), (2, 9759436), (4, 4879718), (8, 2439859), (349, 55928), (698, 27964), (1396, 13982), (2792, 6991)]