18489884

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28711}}^1$

素因数の和:28745

約数の個数: 24

約数和(自身を含む): 38588928

約数和(自身を除く): 20099044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 28711, 57422, 114844, 200977, 401954, 660353, 803908, 1320706, 2641412, 4622471, 9244942, 18489884]

約数ペア:

[(1, 18489884), (2, 9244942), (4, 4622471), (7, 2641412), (14, 1320706), (23, 803908), (28, 660353), (46, 401954), (92, 200977), (161, 114844), (322, 57422), (644, 28711)]