18398992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 38836800

約数和(自身を除く): 20437808

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2087, 2204, 4174, 4408, 8348, 8816, 16696, 33392, 39653, 60523, 79306, 121046, 158612, 242092, 317224, 484184, 634448, 968368, 1149937, 2299874, 4599748, 9199496, 18398992]

約数ペア:

[(1, 18398992), (2, 9199496), (4, 4599748), (8, 2299874), (16, 1149937), (19, 968368), (29, 634448), (38, 484184), (58, 317224), (76, 242092), (116, 158612), (152, 121046), (232, 79306), (304, 60523), (464, 39653), (551, 33392), (1102, 16696), (2087, 8816), (2204, 8348), (4174, 4408)]