18423542068

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1\times {\mathrm{643}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 32962640256

約数和(自身を除く): 14539098188

約数列:

[1, 2, 4, 71, 142, 233, 284, 433, 466, 643, 866, 932, 1286, 1732, 2572, 16543, 30743, 33086, 45653, 61486, 66172, 91306, 100889, 122972, 149819, 182612, 201778, 278419, 299638, 403556, 556838, 599276, 1113676, 7163119, 10637149, 14326238, 19767749, 21274298, 28652476, 39535498, 42548596, 64871627, 79070996, 129743254, 259486508, 4605885517, 9211771034, 18423542068]

約数ペア:

[(1, 18423542068), (2, 9211771034), (4, 4605885517), (71, 259486508), (142, 129743254), (233, 79070996), (284, 64871627), (433, 42548596), (466, 39535498), (643, 28652476), (866, 21274298), (932, 19767749), (1286, 14326238), (1732, 10637149), (2572, 7163119), (16543, 1113676), (30743, 599276), (33086, 556838), (45653, 403556), (61486, 299638), (66172, 278419), (91306, 201778), (100889, 182612), (122972, 149819)]