30987556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1451}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 57324960

約数和(自身を除く): 26337404

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 1124, 1451, 2902, 5339, 5804, 10678, 21356, 27569, 55138, 110276, 407731, 815462, 1630924, 7746889, 15493778, 30987556]

約数ペア:

[(1, 30987556), (2, 15493778), (4, 7746889), (19, 1630924), (38, 815462), (76, 407731), (281, 110276), (562, 55138), (1124, 27569), (1451, 21356), (2902, 10678), (5339, 5804)]