19419889

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 20995200

約数和(自身を除く): 1575311

約数列:

[1, 23, 53, 89, 179, 1219, 2047, 4117, 4717, 9487, 15931, 108491, 218201, 366413, 844343, 19419889]

約数ペア:

[(1, 19419889), (23, 844343), (53, 366413), (89, 218201), (179, 108491), (1219, 15931), (2047, 9487), (4117, 4717)]