18021680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4793}}^1$

素因数の和:4853

約数の個数: 40

約数和(自身を含む): 42800832

約数和(自身を除く): 24779152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4793, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 191720, 225271, 383440, 450542, 901084, 1126355, 1802168, 2252710, 3604336, 4505420, 9010840, 18021680]

約数ペア:

[(1, 18021680), (2, 9010840), (4, 4505420), (5, 3604336), (8, 2252710), (10, 1802168), (16, 1126355), (20, 901084), (40, 450542), (47, 383440), (80, 225271), (94, 191720), (188, 95860), (235, 76688), (376, 47930), (470, 38344), (752, 23965), (940, 19172), (1880, 9586), (3760, 4793)]