19503517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 22413312

約数和(自身を除く): 2909795

約数列:

[1, 11, 23, 127, 253, 607, 1397, 2921, 6677, 13961, 32131, 77089, 153571, 847979, 1773047, 19503517]

約数ペア:

[(1, 19503517), (11, 1773047), (23, 847979), (127, 153571), (253, 77089), (607, 32131), (1397, 13961), (2921, 6677)]