19896836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 15907324

約数列:

[1, 2, 4, 53, 106, 127, 212, 254, 508, 739, 1478, 2956, 6731, 13462, 26924, 39167, 78334, 93853, 156668, 187706, 375412, 4974209, 9948418, 19896836]

約数ペア:

[(1, 19896836), (2, 9948418), (4, 4974209), (53, 375412), (106, 187706), (127, 156668), (212, 93853), (254, 78334), (508, 39167), (739, 26924), (1478, 13462), (2956, 6731)]