18687908

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 33563712

約数和(自身を除く): 14875804

約数列:

[1, 2, 4, 67, 103, 134, 206, 268, 412, 677, 1354, 2708, 6901, 13802, 27604, 45359, 69731, 90718, 139462, 181436, 278924, 4671977, 9343954, 18687908]

約数ペア:

[(1, 18687908), (2, 9343954), (4, 4671977), (67, 278924), (103, 181436), (134, 139462), (206, 90718), (268, 69731), (412, 45359), (677, 27604), (1354, 13802), (2708, 6901)]