19818722

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128693}}^1$

素因数の和:128713

約数の個数: 16

約数和(自身を含む): 37063872

約数和(自身を除く): 17245150

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128693, 257386, 900851, 1415623, 1801702, 2831246, 9909361, 19818722]

約数ペア:

[(1, 19818722), (2, 9909361), (7, 2831246), (11, 1801702), (14, 1415623), (22, 900851), (77, 257386), (154, 128693)]