19081431

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 28416960

約数和(自身を除く): 9335529

約数列:

[1, 3, 9, 53, 109, 159, 327, 367, 477, 981, 1101, 3303, 5777, 17331, 19451, 40003, 51993, 58353, 120009, 175059, 360027, 2120159, 6360477, 19081431]

約数ペア:

[(1, 19081431), (3, 6360477), (9, 2120159), (53, 360027), (109, 175059), (159, 120009), (327, 58353), (367, 51993), (477, 40003), (981, 19451), (1101, 17331), (3303, 5777)]