18304784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 37865880

約数和(自身を除く): 19561096

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 389, 692, 778, 1384, 1556, 2768, 2941, 3112, 5882, 6224, 6613, 11764, 13226, 23528, 26452, 47056, 52904, 67297, 105808, 134594, 269188, 538376, 1076752, 1144049, 2288098, 4576196, 9152392, 18304784]

約数ペア:

[(1, 18304784), (2, 9152392), (4, 4576196), (8, 2288098), (16, 1144049), (17, 1076752), (34, 538376), (68, 269188), (136, 134594), (173, 105808), (272, 67297), (346, 52904), (389, 47056), (692, 26452), (778, 23528), (1384, 13226), (1556, 11764), (2768, 6613), (2941, 6224), (3112, 5882)]