18912070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 16287290

約数列:

[1, 2, 5, 10, 41, 82, 193, 205, 239, 386, 410, 478, 965, 1195, 1930, 2390, 7913, 9799, 15826, 19598, 39565, 46127, 48995, 79130, 92254, 97990, 230635, 461270, 1891207, 3782414, 9456035, 18912070]

約数ペア:

[(1, 18912070), (2, 9456035), (5, 3782414), (10, 1891207), (41, 461270), (82, 230635), (193, 97990), (205, 92254), (239, 79130), (386, 48995), (410, 46127), (478, 39565), (965, 19598), (1195, 15826), (1930, 9799), (2390, 7913)]