19645857549

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{83773}}^1$

素因数の和:84217

約数の個数: 24

約数和(自身を含む): 28855786752

約数和(自身を除く): 9209929203

約数列:

[1, 3, 9, 71, 213, 367, 639, 1101, 3303, 26057, 78171, 83773, 234513, 251319, 753957, 5947883, 17843649, 30744691, 53530947, 92234073, 276702219, 2182873061, 6548619183, 19645857549]

約数ペア:

[(1, 19645857549), (3, 6548619183), (9, 2182873061), (71, 276702219), (213, 92234073), (367, 53530947), (639, 30744691), (1101, 17843649), (3303, 5947883), (26057, 753957), (78171, 251319), (83773, 234513)]