19589025412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40473193}}^1$

素因数の和:40473219

約数の個数: 18

約数和(自身を含む): 37680543614

約数和(自身を除く): 18091518202

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40473193, 80946386, 161892772, 445205123, 890410246, 1780820492, 4897256353, 9794512706, 19589025412]

約数ペア:

[(1, 19589025412), (2, 9794512706), (4, 4897256353), (11, 1780820492), (22, 890410246), (44, 445205123), (121, 161892772), (242, 80946386), (484, 40473193)]