201819162591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2066951}}^1$

素因数の和:2067547

約数の個数: 24

約数和(自身を含む): 307397101440

約数和(自身を除く): 105577938849

約数列:

[1, 3, 9, 19, 57, 171, 571, 1713, 5139, 10849, 32547, 97641, 2066951, 6200853, 18602559, 39272069, 117816207, 353448621, 1180229021, 3540687063, 10622061189, 22424351399, 67273054197, 201819162591]

約数ペア:

[(1, 201819162591), (3, 67273054197), (9, 22424351399), (19, 10622061189), (57, 3540687063), (171, 1180229021), (571, 353448621), (1713, 117816207), (5139, 39272069), (10849, 18602559), (32547, 6200853), (97641, 2066951)]