18480891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 30223872

約数和(自身を除く): 11742981

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 1873, 3289, 5619, 9867, 20603, 24349, 43079, 61809, 73047, 129237, 267839, 473869, 560027, 803517, 1421607, 1680081, 6160297, 18480891]

約数ペア:

[(1, 18480891), (3, 6160297), (11, 1680081), (13, 1421607), (23, 803517), (33, 560027), (39, 473869), (69, 267839), (143, 129237), (253, 73047), (299, 61809), (429, 43079), (759, 24349), (897, 20603), (1873, 9867), (3289, 5619)]