19944100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18131}}^1$

素因数の和:18156

約数の個数: 36

約数和(自身を含む): 47215728

約数和(自身を除く): 27271628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18131, 36262, 72524, 90655, 181310, 199441, 362620, 398882, 453275, 797764, 906550, 997205, 1813100, 1994410, 3988820, 4986025, 9972050, 19944100]

約数ペア:

[(1, 19944100), (2, 9972050), (4, 4986025), (5, 3988820), (10, 1994410), (11, 1813100), (20, 997205), (22, 906550), (25, 797764), (44, 453275), (50, 398882), (55, 362620), (100, 199441), (110, 181310), (220, 90655), (275, 72524), (550, 36262), (1100, 18131)]