19688176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72383}}^1$

素因数の和:72408

約数の個数: 20

約数和(自身を含む): 40390272

約数和(自身を除く): 20702096

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72383, 144766, 289532, 579064, 1158128, 1230511, 2461022, 4922044, 9844088, 19688176]

約数ペア:

[(1, 19688176), (2, 9844088), (4, 4922044), (8, 2461022), (16, 1230511), (17, 1158128), (34, 579064), (68, 289532), (136, 144766), (272, 72383)]