19975175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3863

約数の個数: 24

約数和(自身を含む): 28450560

約数和(自身を除く): 8475385

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3823, 5225, 19115, 42053, 72637, 95575, 210265, 363185, 799007, 1051325, 1815925, 3995035, 19975175]

約数ペア:

[(1, 19975175), (5, 3995035), (11, 1815925), (19, 1051325), (25, 799007), (55, 363185), (95, 210265), (209, 95575), (275, 72637), (475, 42053), (1045, 19115), (3823, 5225)]