17809240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9473}}^1$

素因数の和:9531

約数の個数: 32

約数和(自身を含む): 40927680

約数和(自身を除く): 23118440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9473, 18946, 37892, 47365, 75784, 94730, 189460, 378920, 445231, 890462, 1780924, 2226155, 3561848, 4452310, 8904620, 17809240]

約数ペア:

[(1, 17809240), (2, 8904620), (4, 4452310), (5, 3561848), (8, 2226155), (10, 1780924), (20, 890462), (40, 445231), (47, 378920), (94, 189460), (188, 94730), (235, 75784), (376, 47365), (470, 37892), (940, 18946), (1880, 9473)]