19788772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 35811776

約数和(自身を除く): 16023004

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 1117, 2234, 4429, 4468, 8858, 17716, 48031, 96062, 115051, 192124, 230102, 460204, 4947193, 9894386, 19788772]

約数ペア:

[(1, 19788772), (2, 9894386), (4, 4947193), (43, 460204), (86, 230102), (103, 192124), (172, 115051), (206, 96062), (412, 48031), (1117, 17716), (2234, 8858), (4429, 4468)]