19165527

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 28473120

約数和(自身を除く): 9307593

約数列:

[1, 3, 9, 71, 89, 213, 267, 337, 639, 801, 1011, 3033, 6319, 18957, 23927, 29993, 56871, 71781, 89979, 215343, 269937, 2129503, 6388509, 19165527]

約数ペア:

[(1, 19165527), (3, 6388509), (9, 2129503), (71, 269937), (89, 215343), (213, 89979), (267, 71781), (337, 56871), (639, 29993), (801, 23927), (1011, 18957), (3033, 6319)]