18162680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9661}}^1$

素因数の和:9719

約数の個数: 32

約数和(自身を含む): 41739840

約数和(自身を除く): 23577160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9661, 19322, 38644, 48305, 77288, 96610, 193220, 386440, 454067, 908134, 1816268, 2270335, 3632536, 4540670, 9081340, 18162680]

約数ペア:

[(1, 18162680), (2, 9081340), (4, 4540670), (5, 3632536), (8, 2270335), (10, 1816268), (20, 908134), (40, 454067), (47, 386440), (94, 193220), (188, 96610), (235, 77288), (376, 48305), (470, 38644), (940, 19322), (1880, 9661)]