189718840

素因数分解:

$2^3\times 5^1\times {\mathrm{4742971}}^1$

素因数の和:4742982

約数の個数: 16

約数和(自身を含む): 426867480

約数和(自身を除く): 237148640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4742971, 9485942, 18971884, 23714855, 37943768, 47429710, 94859420, 189718840]

約数ペア:

[(1, 189718840), (2, 94859420), (4, 47429710), (5, 37943768), (8, 23714855), (10, 18971884), (20, 9485942), (40, 4742971)]