18625160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:9965

約数の個数: 32

約数和(自身を含む): 42802560

約数和(自身を除く): 24177400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9907, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 465629, 931258, 1862516, 2328145, 3725032, 4656290, 9312580, 18625160]

約数ペア:

[(1, 18625160), (2, 9312580), (4, 4656290), (5, 3725032), (8, 2328145), (10, 1862516), (20, 931258), (40, 465629), (47, 396280), (94, 198140), (188, 99070), (235, 79256), (376, 49535), (470, 39628), (940, 19814), (1880, 9907)]