18579368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 18875032

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2039, 2278, 4078, 4556, 8156, 9112, 16312, 34663, 69326, 136613, 138652, 273226, 277304, 546452, 1092904, 2322421, 4644842, 9289684, 18579368]

約数ペア:

[(1, 18579368), (2, 9289684), (4, 4644842), (8, 2322421), (17, 1092904), (34, 546452), (67, 277304), (68, 273226), (134, 138652), (136, 136613), (268, 69326), (536, 34663), (1139, 16312), (2039, 9112), (2278, 8156), (4078, 4556)]