18857200

素因数分解:

$2^4\times 5^2\times {\mathrm{47143}}^1$

素因数の和:47161

約数の個数: 30

約数和(自身を含む): 45305384

約数和(自身を除く): 26448184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 47143, 94286, 188572, 235715, 377144, 471430, 754288, 942860, 1178575, 1885720, 2357150, 3771440, 4714300, 9428600, 18857200]

約数ペア:

[(1, 18857200), (2, 9428600), (4, 4714300), (5, 3771440), (8, 2357150), (10, 1885720), (16, 1178575), (20, 942860), (25, 754288), (40, 471430), (50, 377144), (80, 235715), (100, 188572), (200, 94286), (400, 47143)]