18557480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9871}}^1$

素因数の和:9929

約数の個数: 32

約数和(自身を含む): 42647040

約数和(自身を除く): 24089560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 394840, 463937, 927874, 1855748, 2319685, 3711496, 4639370, 9278740, 18557480]

約数ペア:

[(1, 18557480), (2, 9278740), (4, 4639370), (5, 3711496), (8, 2319685), (10, 1855748), (20, 927874), (40, 463937), (47, 394840), (94, 197420), (188, 98710), (235, 78968), (376, 49355), (470, 39484), (940, 19742), (1880, 9871)]