187818920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{204151}}^1$

素因数の和:204185

約数の個数: 32

約数和(自身を含む): 440968320

約数和(自身を除く): 253149400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 204151, 408302, 816604, 1020755, 1633208, 2041510, 4083020, 4695473, 8166040, 9390946, 18781892, 23477365, 37563784, 46954730, 93909460, 187818920]

約数ペア:

[(1, 187818920), (2, 93909460), (4, 46954730), (5, 37563784), (8, 23477365), (10, 18781892), (20, 9390946), (23, 8166040), (40, 4695473), (46, 4083020), (92, 2041510), (115, 1633208), (184, 1020755), (230, 816604), (460, 408302), (920, 204151)]