19562191

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 23152640

約数和(自身を除く): 3590449

約数列:

[1, 11, 19, 67, 121, 127, 209, 737, 1273, 1397, 2299, 2413, 8107, 8509, 14003, 15367, 26543, 93599, 154033, 161671, 291973, 1029589, 1778381, 19562191]

約数ペア:

[(1, 19562191), (11, 1778381), (19, 1029589), (67, 291973), (121, 161671), (127, 154033), (209, 93599), (737, 26543), (1273, 15367), (1397, 14003), (2299, 8509), (2413, 8107)]