18966800

素因数分解:

$2^4\times 5^2\times {\mathrm{47417}}^1$

素因数の和:47435

約数の個数: 30

約数和(自身を含む): 45568698

約数和(自身を除く): 26601898

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 47417, 94834, 189668, 237085, 379336, 474170, 758672, 948340, 1185425, 1896680, 2370850, 3793360, 4741700, 9483400, 18966800]

約数ペア:

[(1, 18966800), (2, 9483400), (4, 4741700), (5, 3793360), (8, 2370850), (10, 1896680), (16, 1185425), (20, 948340), (25, 758672), (40, 474170), (50, 379336), (80, 237085), (100, 189668), (200, 94834), (400, 47417)]