19192120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 45191160

約数和(自身を除く): 25999040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 907, 920, 1058, 1814, 2116, 2645, 3628, 4232, 4535, 5290, 7256, 9070, 10580, 18140, 20861, 21160, 36280, 41722, 83444, 104305, 166888, 208610, 417220, 479803, 834440, 959606, 1919212, 2399015, 3838424, 4798030, 9596060, 19192120]

約数ペア:

[(1, 19192120), (2, 9596060), (4, 4798030), (5, 3838424), (8, 2399015), (10, 1919212), (20, 959606), (23, 834440), (40, 479803), (46, 417220), (92, 208610), (115, 166888), (184, 104305), (230, 83444), (460, 41722), (529, 36280), (907, 21160), (920, 20861), (1058, 18140), (1814, 10580), (2116, 9070), (2645, 7256), (3628, 5290), (4232, 4535)]