19861604

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30841}}^1$

素因数の和:30875

約数の個数: 24

約数和(自身を含む): 41451648

約数和(自身を除く): 21590044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30841, 61682, 123364, 215887, 431774, 709343, 863548, 1418686, 2837372, 4965401, 9930802, 19861604]

約数ペア:

[(1, 19861604), (2, 9930802), (4, 4965401), (7, 2837372), (14, 1418686), (23, 863548), (28, 709343), (46, 431774), (92, 215887), (161, 123364), (322, 61682), (644, 30841)]