19807635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 33825600

約数和(自身を除く): 14017965

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 449, 519, 865, 1347, 2245, 2595, 2941, 6735, 7633, 8823, 14705, 22899, 38165, 44115, 77677, 114495, 233031, 388385, 1165155, 1320509, 3961527, 6602545, 19807635]

約数ペア:

[(1, 19807635), (3, 6602545), (5, 3961527), (15, 1320509), (17, 1165155), (51, 388385), (85, 233031), (173, 114495), (255, 77677), (449, 44115), (519, 38165), (865, 22899), (1347, 14705), (2245, 8823), (2595, 7633), (2941, 6735)]