19211582

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 31543344

約数和(自身を除く): 12331762

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 503, 1006, 1469, 2938, 6539, 13078, 19097, 38194, 56839, 85007, 113678, 170014, 738907, 1477814, 9605791, 19211582]

約数ペア:

[(1, 19211582), (2, 9605791), (13, 1477814), (26, 738907), (113, 170014), (169, 113678), (226, 85007), (338, 56839), (503, 38194), (1006, 19097), (1469, 13078), (2938, 6539)]