19448808275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{88919}}^1$

素因数の和:89615

約数の個数: 24

約数和(自身を含む): 26010522720

約数和(自身を除く): 6561714445

約数列:

[1, 5, 13, 25, 65, 325, 673, 3365, 8749, 16825, 43745, 88919, 218725, 444595, 1155947, 2222975, 5779735, 28898675, 59842487, 299212435, 777952331, 1496062175, 3889761655, 19448808275]

約数ペア:

[(1, 19448808275), (5, 3889761655), (13, 1496062175), (25, 777952331), (65, 299212435), (325, 59842487), (673, 28898675), (3365, 5779735), (8749, 2222975), (16825, 1155947), (43745, 444595), (88919, 218725)]