19693025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3809

約数の個数: 24

約数和(自身を含む): 28048800

約数和(自身を除く): 8355775

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3769, 5225, 18845, 41459, 71611, 94225, 207295, 358055, 787721, 1036475, 1790275, 3938605, 19693025]

約数ペア:

[(1, 19693025), (5, 3938605), (11, 1790275), (19, 1036475), (25, 787721), (55, 358055), (95, 207295), (209, 94225), (275, 71611), (475, 41459), (1045, 18845), (3769, 5225)]