19580155

素因数分解:

$5^1\times 7^5\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 27529632

約数和(自身を除く): 7949477

約数列:

[1, 5, 7, 35, 49, 233, 245, 343, 1165, 1631, 1715, 2401, 8155, 11417, 12005, 16807, 57085, 79919, 84035, 399595, 559433, 2797165, 3916031, 19580155]

約数ペア:

[(1, 19580155), (5, 3916031), (7, 2797165), (35, 559433), (49, 399595), (233, 84035), (245, 79919), (343, 57085), (1165, 16807), (1631, 12005), (1715, 11417), (2401, 8155)]