17945540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 40787712

約数和(自身を除く): 22842172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1123, 1598, 2246, 3196, 3995, 4492, 5615, 7990, 11230, 15980, 19091, 22460, 38182, 52781, 76364, 95455, 105562, 190910, 211124, 263905, 381820, 527810, 897277, 1055620, 1794554, 3589108, 4486385, 8972770, 17945540]

約数ペア:

[(1, 17945540), (2, 8972770), (4, 4486385), (5, 3589108), (10, 1794554), (17, 1055620), (20, 897277), (34, 527810), (47, 381820), (68, 263905), (85, 211124), (94, 190910), (170, 105562), (188, 95455), (235, 76364), (340, 52781), (470, 38182), (799, 22460), (940, 19091), (1123, 15980), (1598, 11230), (2246, 7990), (3196, 5615), (3995, 4492)]